science corse work (minus results) GCSE Physics Coursework - vindication of a equip Coursework Resistance of a Wire Task To investigate how the electrical resistance of a wire is affected by the length of the wire. speculation What is resistance? Electricity is conducted through a conductor, in this vista wire, by means of relax electrons. The number of chuck up the sponge electrons depends on the material and more free electrons means a develop 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 tending(p) vitality and as a result move and collide with neighbouring free electrons. This happens across the length of the wire and thus electricity is conducted. Resistance is the result of energy loss as heat. It involves collisions among the free electrons and the rigid particles of the metal, other free electrons and impurities. These collisions convert near of the energy that the free electrons are car...If you want to get a full essay, couch it on our website:
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