Is a Filament Bulb an Ohmic Resistor? First of all I did some research because to answer the question 'Is A Filament Bulb an Ohmic Resistor' I needed to know what an ohmic resistor was. OHM'S LAW The current flowing through a metallic conductor is proportional to the potential difference. This is only true when the temperature is constant. If you read the current as you change the potential difference across a conductor the ratio V/I (volts over amps) is the same if it is ohmic
Resistance of a Filament Bulb Varies Its Current Flowing through It Aim: the purpose of this investigation is to find out how the resistance of a filament bulb varies with current flowing through it. Hypothesis: I think the higher the voltage the brighter the bulb will be because then there will be an increase of current and the electrons are given more energy and more are forced through, therefore the bulb would be able to resist more. If the voltage increases the bulb will shine bright
Biology, Pragmatism and the Question of Contradiction ABSTRACT: In this article I present H. R. Maturana's work as an alternative that reinforces pragmatism in the task of thinking philosophy through the evolution of biological species. I try to demonstrate how Maturana's biology dilutes the principal argument against American Neo-pragmatism. This criticism uses the argument of performative contradiction as it has developed in the European Neo-Kantian philosophy. Thus, I begin by presenting
unlikely, but it is required in order to allow an electric circuit to function. An electric current is a flow of electric charge, the charge flows around the circuit, transferring some of its energy to areas of resistance along the way (resistors, filament lamps, buzzers). At some point along the way the energy must be initially supplied, otherwise the whole process couldn't function. At the beginning of the process the power supply provides the charge with energy to pass to the circuit. This is
The Effect of Voltage on a Current Through a Filament Lamp Equipment: · Power Supply. (Ranging from 0V to 6V). · Variable Resistor. · Ammeter. · Voltmeter. · 6V Filament Lamp. · 7 Wires. Definitions: Ammeter - This is a device that measures the current of electrons in Amps. It has to be placed in Series on the circuit. Voltmeter -
I have calculated the amount of light hitting the cell by the ratio of area of the cell to the ratio of area over which light is spread: intensity = power from bulb x surface area of cell 4 pr2 The power from the bulb was worked out from the current through the bulb and voltage put across it by the power pack. An estimated efficiency of 2% was used. Outline: I varied the distance of the light source from the cell, then took readings from
· Distance from the light source will affect the solar cell output, because intensity of light on the solar cell will decrease, the further away from the light the cell is. This is because many waves, including light, will travel away from the filament in a circular motion, not straight lines directly towards the solar cell, so the further away it is, the less rays will hit it. · A changing power to the light source, and therefore, to the solar cell, will affect the solar cell output. Theoretically
components in the circuit. A circuit consists of a bulb, a battery and a resistor. The bulb is like a resistor, it slows down the electrons and the battery pushes the electrons and gives them energy. A component is a resistor, it slows down the flow of electrons. The bulb acts as a resistor because inside the bulb is a thin filament wire, and so not many electrons can flow through this then slows them down. By adding more bulbs to a circuit you are increasing the resistance. This means
An Investigation To Show How the Voltage Affects the Current In a Light Bulb Aim:~ An investigation to show how the voltage affects the current flowing through a light bulb. Hypothesis:~ I predict that as the current increases the voltage of the lamp will also increase; thus causing the resitance to decrease. I think this because of Ohm's Law which states that current will increase in proportion to voltage; if the current is doubled the voltage is also doubled. Bearing this in mind
the growing conditions: she places the tulip bulbs in a special drawer in the refrigerator. A drawer empty but for tulip bulbs, resting, maturing for six weeks long. During these six weeks, my father is periodically chastised for placing softening apples in the refrigerator so they will not rot on the kitchen counter. Chemicals released by apples stunt the maturation of tulip bulbs and prevent blooming. "How many times do I have to tell you? The bulbs will not bloom with apples!" my mother screams
colors in various summer leaves (red cabbage, red lettuce, red plum tree), flowers (roses, hydrangeas, geraniums, bachelor buttons, dark pansies), fruit (cherries, red apples, grapes, tomato, blackberry, blueberry, plum), roots (beets, radishes), bulbs (red onions), and petioles (rhubarb). Anthocyanins are water-soluble and are dissolved in the cell sap rather than bound to the membranes as chlorophyll is. If cell sap in a leaf is very acidic, then anthocyanins make the leaves a bright red color
drag racing on the quarter-mile strip. The concept of drag racing is when two racers in different cars would line up at a white line, and in the middle of the two cars would be a light post, called the Christmas tree for its red, yellow and green bulbs. The tree does what a stoplight does, except backwards, it starts from red, then to yellow, then to green. On the quarter-mile strip, when the light hits green, the two racers are supposed to try to go as fast as they can before the end of the quarter-mile
Opposites Attract Perhaps we all have the same memory of the first boy-girl party we attended. The floors were waxed, the music loud, the air thick with the smell of cologne. The boys stood on one side of the room and the girls on the other, each affecting a nonchalance belied by the shuffling male loafers and the occasional high birdlike sound of a female giggle. Eventually, one of the taller, better-looking boys, perhaps dogged by two slightly shorter, squeakier acolytes, would make
Experiment Apparatus * Piece of Elodea Canadensis * Bulb * Voltmeter * Test tube * Beaker * Box * Two electrical wires * Stopwatch * Thermometer Method I put a piece of Elodea Canadensis (pond weed) in a test tube and covered it with water. The test tube was then placed in a beaker with a thermometer so that the water stayed the same temperature, this was then placed in a cardboard box with a bulb attached to a voltmeter by the electrical wires so that I could
Bedford, New Hampshire, I was greeted by photographers, camera crews, and newspaper reporters! Then I was escorted backstage to meet Elizabeth Dole. After speaking briefly with her and having her review my speech, we marched through a crowd of flashing bulbs to our places on the stage. Soon it was time for my speech. I was introduced, and as I walked to the podium, I couldn't help but smile at the audience. I had a feeling of complete exhilaration flowing through my veins. When I finished, I received
more variety, more time. In fact, even the word "supermarket" implies a desire for more than just a simple market. No longer just a place to buy food, the supermarket has become a place to cash a check, buy a birthday card, or pick up some tulip bulbs. These new extras are all centered on the idea of convenience. We all hope to find a few extra moments in our days, so supermarkets offer us a way to save time. I'll be the first to admit that buying three things at the same store is nicer than driving
A Twiggy Image 1. Not merely handled as a precious package, but portrayed as one. Physically, she fit the part. Her hair was bobbed short to her jaw and always slicked down, parted from one side across to the other. It was a soft blonde; perhaps the only soft thing about her as the rest of her body met at sharp angles and was marked with dark lines. The skin appeared silky, unblemished and unwrinkled, still glowing with the youth of seventeen years. The eyes that met yours were large and dark
inside the cell. Batteries are a store of chemical energy and the wires are able convert this into electrical energy to be carried around the circuit. The energy that the electrons carry is converted into light energy by the bulbs. After the electrons have provided the bulb with the energy to light up, they carry on their journey around the circuit, but with less energy. Voltmeters measure the amount of energy that electrons have. Nichrome Wire Everything within a circuit has a level of
Investigation Into the Resistivity of a Wire Aim: The aim of this investigation is to see how the length of Nichrome wire affects its resistance Pre-test Results: Wire Type Swags Length of Wire (cm) Voltage (v) Current (a) Resistance (Ω) Constantan 26 10 20 40 13.5 27.5 56.4 0.4 37.5 687.5 1410 Copper 26 10 20 40 0.9 1.5 2.5 0.4 22.5 37.5 62.5 Nichrome 26 10 20 40 32
The Search for the Meaning of Existence Daffodil bulbs instead of balls Stared from the sockets of the eyes! from Whispers of Immortality We live and then we die. Its scary, the death part, and the living part is quite amazing. There is a great dichotomy surrounding our existence. One minute we are here, another we are gone. What is existence? What is the purpose of existence? The big metaphysical question has my interest. We grasp to understand it all but it evades us. This magnificent