depends on the rate at which the magnetic flux changes. Faraday found that if the flux through N loops of wire changes by an amount , during a time delta t, the average induced emf during this time is This fundamental result is known as Faraday's law of induction. The minus sign is placed there to remind us in which direction the induced emf acts. Experiment shows that an induced emf always gives rise to a current whose magnetic field opposes the original change in flux. This is known a Lenz's law. Let
Resistance of a Wire The aim of this experiment is to find out how the resistance changes as the length of wire changes within the circuit changes. At the end of this investigation I will come to one of five possible conclusions which are: -the resistance increases as the length of wire increases, or -the resistance decreases as the length of wire increases, or -the resistance is constant as the length of wire changes, or -the resistance increases as the length of wire decreases, or
Relationship Between the Resistance and the Length of a Wire Aim: To find the relationship between the resistance of the wire and the length of the wire Background Factors: i. Temperature : If the wire is heated up the atoms in the wire will start to vibrate because of their increase in energy. This causes more collisions between the electrons and the atoms as the atoms are moving into the path of
The Wire is structured both horizontally and vertically, from the foot soldiers of the drug trade, through the school system, newspapers, police department to the higher executives in charge of everything, which shows the parallel and prevailing problems that plague all of society. The show provides a viewer with an insight into the steep decline in social order, in which cops, politicians, teachers, workers and criminals are surrounded by the corrupting forces that overwhelm them all. The Wire tells
The Relationship Between Length, Width and Resistance of a Wire Aim: To investigate how the length and width of a wire affects the resistance of the wire. What is resistance? Electricity is conducted through a conductor, in this case wire, by means of free electrons. The number of free electrons depends on the material and more free electrons means a better conductor, i.e. gold has less resistance. For example, gold has more free electrons than iron and, as a result, it is a better
the two media, it is important for organizations to use both of them to capitalize on the benefits or advantages of each. Generally, wired media is media used to transport information through a network that involves the use of physical pathways i.e. wire. The most common types of wired transmission media include telephone cables and coaxial cables. With regards to computer networks, a wired home network involves connecting the computer or other related devices to a Super Hub with an Ethernet cable
Measuring the Resistivity of a Wire Aim The aim of this experiment is to find out how the area of the cross section of the wire affects the resistance and also to find out the resistivity of the wire having found the resistance over a certain length and using a certain cross sectional area. I will also experiment to see how the length of the wire affects the resistance. Plan The first thing that I will do is to set up the apparatus as shown below. A,V Except for the experiment
Apparatus: · Iron Rod · Leads · Power Pack · Crocodile Clips · Insulated Wire · Iron Nails · Voltmeter · Plastic Beakers · Electronic Balance Hypothesis: I expect the strongest electromagnet to have a 'soft' iron core; the highest number of coils (45); the strongest voltage (10V) and current and have the coils evenly spread across the iron rod. The 'soft' iron core means it changes easily between being magnetised and de-magnetised, it is perfect for electromagnets
[IMAGE][IMAGE][IMAGE][IMAGE][IMAGE][IMAGE]Clips V[IMAGE]Graphite Paper [IMAGE][IMAGE] V The Apparatus Ø Battery Ø Voltmeter Ø Ammeter Ø 0-1mA shunt Ø Wires connecting apparatus Ø Ruler Ø Scissors Ø Graphite paper Ø Clips holding the graphite paper The Method Ø One followed the above diagram to attach all the wires to the different pieces of apparatus. Ø I attached the clips to each end of the graphite paper. Ø I attached the 0-1mA shunt to the ammeter. Ø I read
Current Technology on Winding Linear Generators Abstract This paper is an overview of the materials and winding technology that is currently used on today’s linear generators. It contains information on the types of wire used as well as the epoxy used to hold the coil windings in place. Furthermore, it contains information on the possible orientations that the coils can have with respect to the permanent magnets. Introduction Linear generators/motors have been around since the early
The purpose of this report is to understand the failure of high strength steel wires due to the environment in which they are exposed to, this report will primarily be focusing high strength steel wires that are used in suspension bridge cables. Due to the environment that the bridge cables are exposed to their lifetime expectancy depends on the corrosion it undergoes. There are various types of corrosions that can occur such as pitting corrosion, stress corrosion and corrosion-induced cracking which
came from the telegraph. The word telegraphy comes from Greek. "Tele" means distant and "graphein" to write. So the meaning is writing at a distance The first form of modern telecommunication - the electric telegraph - sent electrical currents along wires. On 24 May 1844, Samuel Morse sent his first public message over a telegraph line between Washington and Baltimore, and through that simple act, ushered in the telecommunication age. By 1868 Jamaica began to use the telegram. The West India and Panama
Investigating How the Length of a Wire Affects Its Resistance Planning: Risk Assessment: * I will handle the power supply carefully. * I am going to only use a maximum voltage of 2 volts. * I will be careful when handling the mains equipment. * I will make sure I have a clear space to work in and nothing on the floor around me. In this investigation, I will set up a simple circuit to be able to read the voltage and current when the length of wire changes, so I then can work out the
aesthetics of the rental house. Most of the wires are run in the attic and then down plastic conduit attached to the wall. The conduit is run all the way to the wall boxes where the Ethernet ports are located. Every wire is clearly labeled and included in an easy to read schematic of the house. This way future tenants will have the ability to utilize the network. Next, every room needed to have access to the network. In order to minimize the overall use of wires, hubs were placed in strategic locations
Investigating How Length and Width of Copper Wire Affect the Current of a Circuit Task: To investigate how length and width of copper wire affect on the current of a circuit. Prediction: In this experiment, the input variable will be changing the length of the copper wire used in the experiment, and also the SWG of the wire, which means the width of the wire. By changing this variable, the current the circuit will vary. With my knowledge in science and some
frustration and depression. 4. ELF radiation- Elf stands for extremely low frequency. Electro-magnetic fields cause this. VDU screens give out radiation at the back and sides. Pregnant women are at most at risk. 5. Lose wires- are a hazard as anyone may trip over the wires and fall over Ways to combat the mentioned problems 1. RSI- The risk of RSI can be minimised if a computer user is able to sit in a comfortable, upright position when working. To be able to do this they need adjustable
Factors Which Affect the Resistance of a Wire To start off this experiment I feel that it is suitable to explain the main facts of this study. Below is a section explaining the resistance in detail. Facts on Resistance: I have shown how resistance occurs. · WIRE · ATOMS · ELECTRONS Resistance occurs when the electrons traveling along the wire collide with the atoms of the wire. These collisions slow down the flow of electrons causing resistance. Resistance is a
Installing Car Audio When a person gets into a car, one of the first things they do is turn on the radio. Some people like the volume turned down real low and others like myself want loud blaring music. There are several steps to turn a factory sound system into a surround sound theatre. I have installed all kinds of car audio equipment into automobiles and it doesn’t come cheap. First thing anyone wants to do is to set a price range and compare prices at different retailers. The price range
contradictory image of an ideal lover. The speaker insisted that his "mistress' eyes" were "noting like the sun. Coral" was "far more red than her lips' red" and "if snow be white," then "her breasts" were "dun." He also commented that "if hairs be wires, black wires" grew "on her head." Furthermore, her skin was dark and not smooth; her breath was unpleasant too. These descriptions summe...
Tips for Making Meetings Effective Throughout a project-oriented deployment, you will be required to conduct numerous meetings with your customer. If you plan them properly, you will be able to steer the project in the right direction. It also gives you the ability to gather all the key players in one room, put them on the same page, work through any issues that might have arisen and make any decisions that need to be made. When I first started running my own projects, I was given some great tips