Magnet is any piece of material, with attractive iron (or steel) property. Magnetite, also called magnet, is a naturally occurring rock magnet. This natural magnet was first discovered in a region known as magnesia and was named after the area in which it was discovered. Magnetism may be naturally present in a material or the material may be artificially magnetized by various methods. Magnets may be permanent or temporary. After being magnetized, a permanent magnet will retain the properties of magnetism indefinitely. A temporary magnet is a magnet made of soft iron, that is usually easy to magnetize; however, temporary magnets lose most of their magnetic properties when the magnetizing cause is discontinued. Permanent magnets are usually more difficult to magnetize, but they remain magnetized. Materials which can be magnetized are called ferromagnetic materials. We will talk more about making a magnet later on.
A magnet can be cut into smaller and smaller pieces indefinitely, and each piece will still act as a small magnet. Thus, the cause of magnetism must be from a property of the smallest particles of the material, the atoms. So what is it about the atoms of magnets, or objects that can be magnetized (ferromagnetic materials), that is different from the atoms of other material? For example, why is it that copper keys or aluminum soda cans cannot be magnetized?
Atom
The study of atoms, electrons, neutrons, and protons is so complex that throughout history scientists have developed several models of the atom. From the early Greek concept of the atom, about 2400 years ago, to today's modern atomic model, scientists have built on and modified existing models, as new information was discovered. There are still concepts on which...
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... insight was pretty amazing considering the electron would not be discovered for another 75 years.
Magnetic fields
A magnetic field describes a volume of space where there is a change in energy.. As Ampere suggested, a magnetic field is produced whenever an electrical charge is in motion. The spinning and orbiting of the nucleus of an atom produces a magnetic field as does electrical current flowing through a wire. The direction of the spin and orbit determine the direction of the magnetic field. The strength of this field is called the magnetic moment.
The motion of an electric charge producing a magnetic field is an essential concept in understanding magnetism. The magnetic moment of an atom can be the result of the electron's spin, which is the electron orbital motion and a change in the orbital motion of the electrons caused by an applied magnetic field.
In this essay, the author
- Defines magnetism as any material with attractive iron (or steel) property. magnetite, also called magnet, is a naturally occurring rock magnet.
- Explains that magnets can be cut into smaller and smaller pieces indefinitely, and each piece will still act as a small magnet. the cause of magnetism must be from the smallest particles of the material, atoms.
- Explains that scientists have developed several models of the atom, from the greek concept to today's modern atomic model.
- Defines magnetism as any material with attractive iron (or steel) property. magnetite, also called magnet, is a naturally occurring rock magnet.
- Explains that magnets can be cut into smaller and smaller pieces indefinitely, and each piece will still act as a small magnet. the cause of magnetism must be from the smallest particles of the material, atoms.
- Explains that scientists have developed several models of the atom, from the greek concept to today's modern atomic model.
- Explains that the origin of magnetism is a complicated concept. quantum theory is the study of the jumps from one energy level to another as it relates to the structure and behavior of atoms.
- Explains that all matter is made up of atoms. atoms have a positively charged center called the nucleus.
- Explains that a magnetic field is produced whenever an electrical charge is in motion. the direction of the spin and orbit determines the magnetic moment.
- Explains that the motion of an electric charge producing a magnetic field is an essential concept in understanding magnetism.
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- What Is Magnetism?explanatory essayMagnetism is a physical phenomenon which is mediated by magnetic fields. Elementary particles give rise to magnetic fields by using electric currents and intrinsic magnetic moments which interact with other electric currents and magnetic moments. To some extent every material is influenced by magnetic fields. Some materials, known as permanent magnets, have persistent magnetic moments which interact with external magnetic fields resulting in attractive or repulsive behavior. These materials have intrinsic magnetic domains aligned in a pattern and owe this behavior due a phenomenon known as ferromagnetism. Most materials do not have permanent magnetic moments and are either attracted or repelled by a magnetic field. Materials that are attracted
In this essay, the author
- Explains that ferrimagnets retain their magnetization in the absence of external magnetic field and neighboring electrons having opposite spin magnetic moment.
- Explains that when a ferrimagnet is sufficiently small, it is subject to brownian motion. its response is similar to paramagnets when external magnetic field is applied.
- Explains that magnetism is a physical phenomenon mediated by magnetic fields. some materials, known as permanent magnets, have persistent magnetic moments that interact with external magnetic field resulting in attractive or repulsive behavior.
- Explains that ferrimagnets retain their magnetization in the absence of external magnetic field and neighboring electrons having opposite spin magnetic moment.
- Explains that when a ferrimagnet is sufficiently small, it is subject to brownian motion. its response is similar to paramagnets when external magnetic field is applied.
- Explains that magnetism is a physical phenomenon mediated by magnetic fields. some materials, known as permanent magnets, have persistent magnetic moments that interact with external magnetic field resulting in attractive or repulsive behavior.
- Explains the pauli exclusion principle, which states that electrons combine into pairs with opposite intrinsic magnetic moments, or into filled subshells with zero net orbital motion.
- Explains that diamagnetism is the tendency of a material to oppose an externally applied magnetic field and thus be repelled by.
- Explains that the pauli exclusion principle dictates that paired electrons are required to have their intrinsic (spin) magnetic moments pointing in opposite directions causing their magnetic fields to cancel out.
- Explains that ferromagnetic materials align their magnetic moments parallel to each other to maintain a lower energy state.
- Explains that in an antiferromagnet the intrinsic magnetic moments of the neighboring valence electrons tend to point in opposite direction of each other hence the net magnetic moment is zero.
1123 wordsRead More - Magnetism Essayexplanatory essayIt is the reason for the great technological movement of the 21st century. Its applications are used on a day-to-day basis. What is this form of energy? It is electricity. Electricity is defined as a form of energy from the existence of charged particles. The charged particles are either positive or negative (protons or electrons). Moreover, through the same principal, the phenomenon of magnetism is also applied on a day-to-day basis. Magnetism is defined as either an attractive or repulsive force between objects due to an electric charge. To thoroughly understand the strength of electricity and magnets, it is vital to first be cognizant of where and when they were discovered.
In this essay, the author
- Explains that electricity is the reason for the great technological movement of the 21st century. electricity is defined as a form of energy from the existence of charged particles.
- Explains that the ancient greeks discovered that rubbing fur on amber caused an attraction between the two. michael faraday's invention helped thomas edison invent his famous light bulb.
- Explains how coulomb's law summarizes the electric force between two objects. electricity can be classified in two different ways: static electricity and current electricity.
- Explains that electricity is the reason for the great technological movement of the 21st century. electricity is defined as a form of energy from the existence of charged particles.
- Explains that the ancient greeks discovered that rubbing fur on amber caused an attraction between the two. michael faraday's invention helped thomas edison invent his famous light bulb.
- Explains how coulomb's law summarizes the electric force between two objects. electricity can be classified in two different ways: static electricity and current electricity.
- Explains that electric fields are defined as being present in any region where a charged object experiences an electric force.
- Explains how the human body reacts to electricity when a source of voltage is high. the electrostatic precipitator removes air pollution by removing particulate matter.
1285 wordsRead More - Newton's Second Law And Magnetism Essayargumentative essayBased on Faraday's law of induction, discovered by Michael Faraday, it explains how the change in magnetic fields causes "current" to flow through wires. The first generator was created by
In this essay, the author
- Compares newton's third law of motion with lenz law, which explains that an electric current generated by changing magnetic fields will create its "own" magnetic field.
- Analyzes how faraday's law of induction explains how the change in magnetic fields causes "current" to flow through wires.
- Explains that lenz law implements isaac newton's third law of motion and based on faraday'
- Compares newton's third law of motion with lenz law, which explains that an electric current generated by changing magnetic fields will create its "own" magnetic field.
- Analyzes how faraday's law of induction explains how the change in magnetic fields causes "current" to flow through wires.
- Explains that lenz law implements isaac newton's third law of motion and based on faraday'
- Explains that magnetism is a physical occurrence produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
- Compares isaac newton's third law of motion to the founding of magnetic attraction of heinrich lenz.
824 wordsRead More - The Atomic Bomb in World War Twoexplanatory essaythroughout the middle ages the theory of the atomic view of matter was almost lost. Then ...
In this essay, the author
- Explains that the japanese attacked pearl harbor in 1941 and fought back against japan. president truman issued the potsdam declaration, which called for japan's unconditional surrender and listed peace terms.
- Explains that atomic science began with ancient philosophers and alchemists experimenting and probing into the nature and structure of matter.
- Explains that the atomic view of matter was lost in the middle ages. galilo's observations of falling objects and controlled experiments were regarded as the father of modern physics.
- Explains that the japanese attacked pearl harbor in 1941 and fought back against japan. president truman issued the potsdam declaration, which called for japan's unconditional surrender and listed peace terms.
- Explains that atomic science began with ancient philosophers and alchemists experimenting and probing into the nature and structure of matter.
- Explains that the atomic view of matter was lost in the middle ages. galilo's observations of falling objects and controlled experiments were regarded as the father of modern physics.
- Explains that different laws of physics govern the nucleus. the atomic bomb was the most closely guarded secret in scientific history.
- Describes how nagasaki suffered a similar transformation on august 9th, 1945. the survivors became known as "the most important people living".
- Opines that those who lived through this horrifying ordeal were the first true survivors.
- Explains that the japanese call those who survived the bombing hibakusha meaning “survivor or exposed one.” official japanese registries in the 1980’s recognized 368,259 survivors, of which 71% in hiroshima and 69% from nagasaki.
- Opines that japanese estimates state that 90,000 to 120,000 people died in hiroshima in the first four months after the bombing.
- Opines that counting the survivors should have been easier than counting the dead, but this too proved difficult. many survivors had substantive reasons for keeping their experience to themselves.
- Explains that in japanese society where marriages were commonly arranged, some families concealed exposure to secure desirable matches for their children.
- Explains that all the major wars of the 20th century, have had a hidden casualty, the environment.
- Explains that damaged landscapes have harmed human health, local economies, and ecosystems. the long-term effects of such environmental damage have not yet been fully determined.
- Opines that phytoremediation is the use of plants for environmental remediation, which involves removing organics and metals from soil and water.
- Describes how ground zero in hiroshima has been transformed into a peace park with beautiful greenery.
- Explains the potential benefits of absorbing metals from the ground and storing them in their tissues. as we approach the 21st century, human needs threaten the earth’s life supporting environmental resources.
- Opines that the next world conflict will be about a diminishing natural resource. the lesson and destruction seen in japan in the 1945 bombing triggered the world in this race to acquire nuclear technology.
- Opines that if the japanese and the rest of the world had witnessed a nuclear test, they wouldn't have killed hundreds of thousands of people.
1304 wordsRead More - The Natural Phenomenom of Newton's Law of Gravityanalytical essayParticles of matter in the universe magnetize each other through the force of gravity – Newton's law tells us how vigorous that magnetization is. The equation verbalizes that the force (F) between two objects is proportional to the product of their masses (m1 and m2), divided by the square of the distance between them.
In this essay, the author
- Explains that gravitation, or gravity, is a natural phenomenon by which all physical bodies magnetize each other. it is most commonly experienced as the agent that gives weight to objects with mass.
- Analyzes how newton's equation verbalizes about how the apple fell from the tree. it describes why you stay rooted to the ground, what locks the earth in orbit around the sun, and was utilized by nasa engineers.
- Explains that newton's law tells us how vigorous magnetization is. the equation verbalizes that the force between two objects is proportional to the product of their masses (m1 and m2).
- Explains that gravitation, or gravity, is a natural phenomenon by which all physical bodies magnetize each other. it is most commonly experienced as the agent that gives weight to objects with mass.
- Analyzes how newton's equation verbalizes about how the apple fell from the tree. it describes why you stay rooted to the ground, what locks the earth in orbit around the sun, and was utilized by nasa engineers.
- Explains that newton's law tells us how vigorous magnetization is. the equation verbalizes that the force between two objects is proportional to the product of their masses (m1 and m2).
- Explains newton's formula for planetary kineticism, based on the quantifications of astronomers afore him. stargazers had spent millennia cataloguing the positions of the stars and planets in the night welkin.
- Explains newton's laws of kineticism that anything that peregrinates from a standing start is undergoing expedition. the apple commenced in the tree and landed on the earth
- Explains that even if the apple were higher up in the tree, it would still feel this force of magnetization with the earth.
- Explains that newton, upon observing an apple fall from a tree, commenced to cerebrate along the lines of "gravity" and "expedition due to gravity".
- Explains newton's authentically brilliant insight: if the force of gravity reaches to the top of the highest tree, might it not reach even further; in particular, could it reach all the way into the orbit of moon about the earth.
- Analyzes how newton concluded that the moon felt the earth's alluring force and that it was falling towards earth, but there was a substantial reason why it didn't crash down.
- Explains newton's cerebrating on mass and weight, stating that mass is constant for an object, but weight depends on the location of the object.
- Explains that the equation utilizing numbers for your mass and that of the earth will give you your weight, quantified in newton's.
- Explains newton's formula has engendered the path of every astronaut and the orbit of each satellite from which we benefit — whether for communications, earth observation, scientific research around earth or other planets.
886 wordsRead More - The Atomic Bombanalytical essayThey new the structure and particle makeup of atoms, as well as how they behaved. During the 1930Õs it became apparent that there was a immense amount of energy that would be released atoms of Gioielli 2certain elements were split, or taken apart. Scientists began to realize that if harnessed, this energy could be something of a magnitude not before seen to human eyes. They also saw that this energy could possibly be harnessed into a weapon of amazing power. And with the adven...
In this essay, the author
- Analyzes how the atomic bombs, and the nuclear arms race that followed them, had a direct or indirect effect on almost every man, woman and child on this earth.
- Explains the history behind the bomb itself is rooted in twentieth century physics. scientists now had a clear picture of what the atomic world was like.
- Analyzes how the atomic bomb and its power had a profound effect on american culture and literature.
- Analyzes how the atomic bombs, and the nuclear arms race that followed them, had a direct or indirect effect on almost every man, woman and child on this earth.
- Explains the history behind the bomb itself is rooted in twentieth century physics. scientists now had a clear picture of what the atomic world was like.
- Analyzes how the atomic bomb and its power had a profound effect on american culture and literature.
- Explains that jon hersey's hiroshima is a non-fiction account of the bombing of atomic blast and the immediate aftermath from the point-of-view of six hibakusha.
- Analyzes how stone's book takes on a tone of sympathy and miraculous survival. he focuses not on the suffering of the victims but on their courage.
- Analyzes how hersey was attempting to chronicle what had happened at hiroshima, and to do so fairly. he empathizes with their plight while giving an american explanation for the bombing.
- Explains that hersey's book was the first of its kind when it was published. his work was a transition between works that glorified the dropping of the atomic bomb, and those that focused on its amazing destructive powers.
- Analyzes how hersey's book and bradley’s no place to hide helped americans understand the destructive power of nuclear weapons. they saw that gioielli 4 were doomsday devices.
- Analyzes how the realization of nuclear weapons had a startling effect on american culture and literature.
- Analyzes how the apocalyptic temper and social activism was effected by the cuban missile crisis in the early sixties.
- Analyzes how vonnegut survived the fire-bombing of dresden and wrote about it in the semi-autobiographical slaughterhouse-five. cats cradle is an excellent satire of the atomic age.
- Analyzes how vonnegut paints an imaginary world where things might not seem to make any gioielli 5sense, but there is in fact an amazing amount of symbolism, as well as satire.
- Analyzes how newt doesn't remember what he said to his father. later in the book we find out that newt jumped of his father's lap screaming no cat!
- Analyzes how vonnegut is trying to show that dr. hoenikker symbolizes all the scientists who created the atomic bomb, and the cats cradle is the world and all of humankind combined.
- Analyzes how dr. hoenikker, like the scientists of the world, is a player of games. he thinks up ice-nine, an imaginary substance that when it comes in contact with any other water, it crystallizes it.
- Analyzes vonnegut's analysis of atomic age society with the bokonon religion, which is the only hope for all inhabitants of san lorenzo.
- Analyzes how kubrick's movie, dr. strangelove, is the climax of the pop culture phenomenon.
- Analyzes how kubrick, like vonnegut, satirizes the entire system by making moronic characters like the wimpish president mertin muffley.
- Explains that ginsberg became a devoted leader in the counterculture, who set many precedents for the hippie generation. he was one of the first and original members of many of these movements.
- Analyzes how post-war apocalyptic literature evolved from defeatist, satirical views like vonnegut to activist viewpoints like ginsberg.
- Analyzes how ginsberg makes a reference to the babylonian great year, which coincides with the half-life of plutonium.
- Analyzes how ginsberg relates the great year, and the half-life of plutonium, to the life of the earth.
- Analyzes how ginsberg is intrigued with plutonium in this poem.
- Opines that the atomic bomb and nuclear proliferation affected all aspects of our lifestyle, including what we read. literature is a reflection of country's culture and feelings.
- Opines that literature affected americans curiosity, horror, anxiety, cynicism, and hope concerning nuclear weapons. nuclear weapons raised questions that no one had dare ever.
- Analyzes how these answers have made us think about our place in the universe, and what it all means.
- Describes einstein's life and times in sir (a letter to president franklin d. roosevelt).
- Explains that allen ginsberg's collected poems: 19471980 is titled nagasaki days and 'plutonium ode.'
- Cites miles, barry, stone, albert e., and vonnegut, kurt.
4490 wordsRead More - Nikola Tesla Essayopinion essayIf I could meet a historical figure I would want to meet Nikola Tesla. He was a man that was criticized and taken advantage of so others could make money. He didn’t let people dictate what he studied or invented. A man that knew what he wanted and did what was necessary to get it done. That included giving money away, having a relationship, and going against others in his field. He thought outside the box and was ahead of his time.
In this essay, the author
- Opines that if they could meet a historical figure, they would want to meet nikola tesla. he was criticized and taken advantage of so others could make money.
- Narrates how nikola tesla was born in smiljan, croatia on july 10, 1856 during a thunder storm. his father wanted him to go into the priesthood, which he had no interest in.
- Opines that tesla was not scared to think outside the box and take chances on what he believed in.
- Opines that if they could meet a historical figure, they would want to meet nikola tesla. he was criticized and taken advantage of so others could make money.
- Narrates how nikola tesla was born in smiljan, croatia on july 10, 1856 during a thunder storm. his father wanted him to go into the priesthood, which he had no interest in.
- Opines that tesla was not scared to think outside the box and take chances on what he believed in.
- Analyzes how thomas edison tried to influence people's opinion of tesla’s use of ac power by holding public executions of animals. edison promised tesla $50,000 dollars for designing improvements to the dc generators.
- Opines that tesla would be impressed with the tesla company solar panel shingles and the vehicles.
- Opines that tesla would be impressed to know that it isn't just voice communication but also data communications.
- Opines that tesla would not agree that people/employees and products are to make the top executives rich and powerful. he could have been rich if he hadn't destroyed the contract with george westinghouse.
- Opines that tesla was a unique person that was considered an outcast among his peers. his vision for the future was only seen by him.
887 wordsRead More - Magnetic Therapyanalytical essayThere have been many logical explanations as to how the magnets operate. One explanation for the success of magnetic therapy has been how they utilize the cell’s magnetic field. When a disease invades the body, it disrupts the magnetic fields causing them to become disoriented within the cells. Magnets help realign these fields causing them to be an important factor in counteracting the disease (http://www.healthy.net/hwlibrarynewsletters/update/magnets.htm).
In this essay, the author
- Explains that people are looking for newer methods to help themselves become and stay healthy. magnets were used in early civilizations across the globe. ancient greeks used magnetic rocks as a healing tool.
- Describes a study that tested the effectiveness of magnets in mattress pads in japan by three hospitals: san-ikukai, tokyo communication, and kouseikai suzuki hospital.
- Reviews a double blind study on post-polio patients at the baylor college of medicine and the institute for rehabilitation and research in houston.
- Explains that people are looking for newer methods to help themselves become and stay healthy. magnets were used in early civilizations across the globe. ancient greeks used magnetic rocks as a healing tool.
- Describes a study that tested the effectiveness of magnets in mattress pads in japan by three hospitals: san-ikukai, tokyo communication, and kouseikai suzuki hospital.
- Reviews a double blind study on post-polio patients at the baylor college of medicine and the institute for rehabilitation and research in houston.
- Explains that magnets are used by athletes to relieve pain before and after games. many athletes during the summer olympic games have also used them.
- Explains the effects of magnetic application for primary dysmenorreah. magnetech therapy articles 1994.
- Describes the effects of permanent magnetic field on postoperative pain and wound healing in plastic surgery.
- Explains how magnets utilize the cell’s magnetic field to counteract disease. they increase blood circulation by attracting and repelling the charged particles within each cell.
- Explains that magnets are used to treat various ailments of pain and discomfort, such as arthritis, tiredness, and shoulder and back pain.
- Explains that at the end of the test, the researchers also tested for any side effects that might have occurred during the study.
- Analyzes the effects of magnets on depression in a study done by dr. mark s. george.
- Explains that magnets are a popular tool among the masses and has helped many people relieve various ailments.
2413 wordsRead More - The Magnetic Fields Of The Magnetexplanatory essayMagnets have had a slow and humble start but quickly took off, the discovery of their ability to be affected and effect electrical currents around them. They have been attempted to be used in conventional and nonconventional ways alike from converting energy to relieving pain. We’ve learned that because they are unable to generate their own power we cannot use them as a power source but we can in fact use them for power conversions. I believe further studies in field of magnets will reveal further applications of magnets in the future and quite possibly the application of magnets as a power source.
In this essay, the author
- Explains that magnetism was not studied or utilized before 1821 as it is today. a few hundred years ago people understood how magnets worked, but didn't have many applications because they were limited by the technology of their time.
- Explains the origin of the main magnetic field of earth and its creation through the fluid motion within earth's core. the mariner 2 discovered that venus doesn't yield the same magnetic effects.
- Explains how the study of magnetism has changed over time due to advancement in technology. hans christian oersted discovered the force between electrical currents, and michael faraday's theory of modified space.
- Explains that magnetism was not studied or utilized before 1821 as it is today. a few hundred years ago people understood how magnets worked, but didn't have many applications because they were limited by the technology of their time.
- Explains the origin of the main magnetic field of earth and its creation through the fluid motion within earth's core. the mariner 2 discovered that venus doesn't yield the same magnetic effects.
- Explains how the study of magnetism has changed over time due to advancement in technology. hans christian oersted discovered the force between electrical currents, and michael faraday's theory of modified space.
- Explains that magnetic fields and electrical fields are different in that they can be experienced in a less direct way than gravity.
- Opines that magnetism cannot be converted to use as a power source because it can't generate power on its own.
- Explains that people in the medical fields flirted with the idea of magnets for pain relief in some patients, and stated that the clinical had mixed results.
- Explains that magnets have had a slow and humble start but quickly took off, the discovery of their ability to be affected and effect electrical currents around them.
1704 wordsRead More - Biography of Robert Burns Woodwardexplanatory essayphysics. The work of Ernest Rutherford, H. G. J. Moseley, and Niels Bohr on atomic
In this essay, the author
- Narrates how he opened doors for later scientists that were in his field of organic synthesis.
- Explains that he was a member of the board of governors at the weizmann institute of science.
- Explains that his interests in chemistry are wide, but the main arena of interest is in the field.
- Narrates how he opened doors for later scientists that were in his field of organic synthesis.
- Explains that he was a member of the board of governors at the weizmann institute of science.
- Explains that his interests in chemistry are wide, but the main arena of interest is in the field.
- Describes henri louis le châtelier and j. h. van't's modern theories of organic chemistry.
- Analyzes ernst fischer's work on the heat theorem of walther nernst and s. a. arrhenius.
- Narrates the discovery of the electron by j.j. thomson in the 19th cent.
- Describes the work of ernest rutherford, h. g. j. moseley, and niels bohr on atomic physics.
- Explains that rutherford's work has led to the creation of elements not found in nature.
- Explains the rapid development of polymer chemistry after world war ii a host of new synthetic fibers.
- Narrates how he received secondary education in the public schools of quincy, a suburb of boston, in 1933.
- Explains that the institute authorities generously allowed him to re-enroll in the fall term of 1935, and he took the degrees of bachelor of science in 1936 and doctor of philosophy in 1937.
- Narrates how he was on his way to a nobel prize in the near future. he assumed direction of the woodward research institute at basel in 1963.
- Describes the three daughters, siiri anne, jean kirsten, crystal elisabeth, and eric richard arthur, who married eudoxia muller in 1946.
- Narrates how edward frankland introduced the idea of valency in 1852, and f. a. kekule showed that carbon atoms are
865 wordsRead More - Magnetic Field Essayexplanatory essayElectric currents produce magnetic fields, they can be as small as macroscopic currents in wires, or microscopic currents in atomic orbits caused by electrons. The magnetic field B is described in terms of force on a moving charge in the Lorentz force law. The relationship of magnetic field and charges leads to many practical applications. Magnetic field sources are dipolar in nature, with a north and south magnetic pole. The magnetic field SI unit is the Tesla, it can be seen in the magnetic part of the Lorentz force law F magnetic = qvB composed of (Newton x second)/(Coulomb x meter). The smaller magnetic field unit is the
In this essay, the author
- Explains that temperature has a large effect on particles. heat makes particles energized, while cold causes them to clump together and become denser.
- Explains that electric currents produce magnetic fields, which are described in terms of force on a moving charge in the lorentz force law.
- Explains that the measure of magnetic field b in tesla characterizes biot-savart law.
- Explains that temperature has a large effect on particles. heat makes particles energized, while cold causes them to clump together and become denser.
- Explains that electric currents produce magnetic fields, which are described in terms of force on a moving charge in the lorentz force law.
- Explains that the measure of magnetic field b in tesla characterizes biot-savart law.
- Explains that the magnetization of the materials is called the m quantity. the relationship between b and h is b = mh, where=0 is the magnetic permeability of space.
- Explains the relative permeability and magnetic susceptibility of paramagnetic and diamagnetic materials. the unit for the magnetic field strength h is derived from its relationship to the field b, b=h.
- Explains that materials can be classified by their response to externally applied magnetic fields as diamagnetism, paramagnetic, or ferromagnetics.
- Explains that the magnetization of a material is expressed in terms of density and of net magnetic dipole moments (m) in the material.
- Explains that when magnetic fields inside materials are calculated using ampere's law or the biot-savart law, the 0 in those equations is replaced by the definition = km.
- Explains that magnetic fields are delicate and complex things that can be altered by something as simple as temperature. raising the temperature of a magnet can significantly weaken the force of its magnetic field.
801 wordsRead More - How does a permanent magnet work?explanatory essayNow, the angular momentum of an electron is a vector quantity, meaning it has direction. The motion of the electron produces a current, which in turn generates a tiny magnetic field in the direction given by the angular momentum. Thus an atom can behave like a dipole, meaning "two poles". The direction of the orbital and spin angular momentum of the electron determine the direction of the magnetic field for the electron and the entire atom, thus giving it "north" and "south" poles. Different atoms have different arrangements of electrons into their orbits, and thus have different angular momenta and dipolar properties.
In this essay, the author
- Explains that some materials have a feature known as ferromagnetism. the prefix 'quot;ferro' refers to iron, which is one such material.
- Explains that an atom consists of negatively charged electrons orbiting around a positively charged nucleus. the combination of orbital and spin motions is called angular momentum.
- Explains that the angular momentum of an electron is a vector quantity, meaning it has direction. the motion of the electron produces current, which generates tiny magnetic fields. different atoms have different arrangements of electrons into their orbits.
- Explains that some materials have a feature known as ferromagnetism. the prefix 'quot;ferro' refers to iron, which is one such material.
- Explains that an atom consists of negatively charged electrons orbiting around a positively charged nucleus. the combination of orbital and spin motions is called angular momentum.
- Explains that the angular momentum of an electron is a vector quantity, meaning it has direction. the motion of the electron produces current, which generates tiny magnetic fields. different atoms have different arrangements of electrons into their orbits.
- Explains that a ferromagnetic material is composed of microscopic magnets known as domains, consisting of numerous atomic dipoles pointing in the same direction.
- Explains that some materials are ferromagnetic, but all substances have a diamagnetism. the external magnetic field induces currents within the material.
- Explains that some materials are paramagnetic, where the orbital and spin motions of the electrons in a material do not fully cancel each other, so that the individual atoms act like magnetic dipoles.
- Explains that the atomic behavior of magnetic materials relies on quantum mechanics, the theory of physics used to describe tiny particles such as electrons.
492 wordsRead More - Magnetism And Magnetismexplanatory essayMagnetism is very useful in our daily life. A magnetic field is a mathematical description of the magnetic influence of electric currents and magnetic materials. In addition, magnetic field is a region which a magnetic material experiences a force as the result of the presence of a magnet or a current carrying conductor. Current carrying conductors also known as wire. As we know there have north pole and south pole of a magnet. If same pole of magnet approaches each other, there will repel each other. In contrast, if different pole of magnet approaches each other, they will attract. These are same with the electric charge, if same charge it will repel, different charge it will attract. Although magnets and magnetism were known much earlier, the study of magnetic fields began in 1269 when French scholar Petrus Peregrinus de Maricourt mapped out the magnetic field on the surface of a spherical magnet using iron needles [search from Wikipedia]. Noting that the resulting field lines crossed at two points he named those points 'poles' in analogy to Earth's poles. Each magnet has its own magnetic field which experiences a force as the result of the presence of a magnet and magnetic field has made up of magnetic field lines. The properties of magnetic field lines is it begin at the north pole and end at the south pole. The north pole always flow out while south pole always flow in. The closer the magnetic field lines, the strength of magnetic field increases. Furthermore, these line cannot cross each other. Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets. Ferromagnetic materials...
In this essay, the author
- Explains that magnetism is a mathematical description of the magnetic influence of electric currents and magnetic materials.
- Explains that ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets.
- Explains that magnetic field is widely used in modern technology such as engineering and electromechanic.
- Explains that magnetism is a mathematical description of the magnetic influence of electric currents and magnetic materials.
- Explains that ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets.
- Explains that magnetic field is widely used in modern technology such as engineering and electromechanic.
- Explains the laws of electromagnetic induction, such as faraday's law and lenz’s law, which determine the direction of current induced in a conductor.
831 wordsRead More - Essay On Magnetometerexplanatory essayThe proton precession magnetometer is so named because it utilizes the precession of spinning protons or nuclei of the hydrogen atom in a sample of hydrocarbon fluid to measure the total magnetic intensity. The sensor component is a cylindrical container filled with a liquid rich in hydrogen atoms surrounded by a coil.kerosene, alcohol and water are the commonly liquids used. On closing the switch a DC current from the battery is directed through the coil, producing a relatively strong magnetic field in the fluid filled cylinder. The hydrogen nuclei (protons) behave like minute spinning dipole magnets ,become aligned along the direction of the applied field(i.e along the axis of the cylinder).
In this essay, the author
- Explains that the total magnetic field intensity is the magnitude of the earth’s field vector independent of its direction. most exploration geophysical surveys are conducted using the proton precession magnetometer.
- Explains that the proton precession units serve an important role for earth scientists seeking solutions for low-sensitivity field work or academic work.
- Describes the proton precession magnetometer, which measures the total amplitude (size) of the earth magnetic field.
- Explains that the total magnetic field intensity is the magnitude of the earth’s field vector independent of its direction. most exploration geophysical surveys are conducted using the proton precession magnetometer.
- Explains that the proton precession units serve an important role for earth scientists seeking solutions for low-sensitivity field work or academic work.
- Describes the proton precession magnetometer, which measures the total amplitude (size) of the earth magnetic field.
- Explains that the proton magnetometer measures only the magnititude of the resultant vector whose direction is almost exactly parallel to the undisturbed total field vector.
- Explains that a magnetometer has no moving parts, produces an absolute and relatively high resolution measurement of the field and displays the measurement in the form of an ambiguous digital read out.
- Describes the magnetic field that extends from the earth's interior to where it meets the solar.
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