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Investigate How The Current In a Wire Depends Upon Its Length.
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Linsey Belford L5V "To Investigate How The Current In a Wire Depends Upon Its Length" The aim of my investigation is to see how the length of a wire can affect the current flowing through it. I predict that the longer the wire is, the smaller the current. I think this because the current is the flow of electrons and the current is dependant upon the amount of voltage which is applied. Voltage is the 'push' given to the current. The current has to go through a circuit, which contains resistance so if the 'push' is increased then the flow of the current is also increased. All materials have a slight resistance to electricity. E.g. Gold has a very low resistance to electricity but steel has a very high resistance. In this investigation I am going to measure the current using an ammeter as I increase the length of the wire....
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