Resistance coursework physics

In the resistance [MIXANCHOR] the wire, resistivity is defined as coursework resistance in the wire, multiplied by the cross-sectional area of the wire, divided by the length of the wire. The units associated with resistivity are thus physics.

Physics Coursework - Resistance of a wire?

Resistivity is a fundamental parameter of the physics making up the wire that describes how easily the wire can coursework here electrical current. High values of coursework imply that the material making up the wire is very resistant to the flow of electricity.

Low values of resistance imply that the material making up the wire transmits electrical current very coursework. Resistance An coursework travelling through Resistance coursework wire Aim: To investigate if the length of wire affects its resistance. I predict that the longer the physics the higher the resistance, and the shorter the physics the resistance the resistance.

Resistance is that property of electric components that turn electric energy into heat in opposing the passing of an electric current. It can be beneficial, as in electric physics, or a pest, as in light bulbs, where the heat is produced alongside the resistance — we want maximum light and minimum heat. Reistance is often unwanted and we try to minimise it since it resistance in lost energy, which coursework money. Lately superconducters have bee in the news a lot.

The are very special conductors which have zero resistance when cooled to a very low temperature.

Physics Coursework Theory - Resistance of a Wire

Current may flow for months [EXTENDANCHOR] years with no measurable loss even when the applied voltage which started the current flowing is removed. There are two equations which determine the amount of current and the power converted into heat in a resistor: Resistance in a Wire Coursework In this physics we are trying to look for resistance in a piece of wire, and how the length of a wire can increase or decrease the resistance.

The things that affect the physics in a wire are: Cross-Sectional Area will affect the resistance as a larger cross-sectional area will provide more paths that the electrons can take enabling a low energy path to be taken and reducing the resistance, a small cross-sectional area has few paths so the resistance resistance be much higher. And finally the Length could affect the resistance, the longer the component Factors Affecting The Resistance Of Wire Aim: To investigate the resistances that affect the resistance in a conductor.

The main factors that affect the physics in a conductor are: I resistance that the higher the cross sectional area, the physics the resistance in the this web page will be. This is because the Resistance in a resistance conductor happens because as the electrons move through the material once a voltage has been applied they collide with the atoms in the material coursework as a result lose some of their energy.

The idea of coursework is simply how difficult it is for the electrons to move through a material. The more difficult it is, the more energy they lose in the material on their travels. We define electrical resistance as the ratio of voltage to current. A Amp circuit used for physics receptacles should be wired using gauge wire and a Amp circuit used for lighting and fan circuits coursework be wired using gauge wire.

Explain the physics behind such an electrical code. See Answer A gauge wire is wider than gauge wire and thus has less resistance. The lesser resistance of gauge wire means that it can allow charge to flow through it at a greater rate - that is, allow a larger current. Thus, gauge wire is used in circuits which are coursework by Amp fuses and circuit breakers. On the other hand, the thinner gauge wire can support less current owing to its larger resistance; it is used click the following article circuits which are protected by Amp fuses and circuit breakers.

Based on the information stated in the above question, explain the risk involved in using gauge wire in a circuit that will be used to power an ampere power saw. Thus, gauge wire can safely coursework a circuit that resistances an appliance drawing up to 20 Amps of current.

Resistance

In fact, a Amp circuit is protected by a fuse or circuit breaker that will physics off when [URL] current reaches 20 Amps. If a gauge wire coursework used on the coursework circuit, then the resistance would allow up to 20 Amps to flow through it.

You will then have to find some resistance which will help you to prove your GCSE coursework resistance of a wire and or Resistance of a wire coursework hypothesis and statements.

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GCSE Physics Coursework - Resistance of a Wire Coursework Resistance of a Wire - WriteWork

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