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GCSE Physics Coursework - Resistance of a Wire Coursework Resistance of a Wire
GCSE Physics Coursework - Resistance of a Wire Coursework
Resistance of a Wire
To investigate how the resistance of a wire is affected by the length 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. it has less resistance. For example, gold has more free electrons than iron and, as a result, it is a better conductor. The free electrons are given energy and as a result move and collid…
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