In this experiment we have been asked to find out whether the length of wire in the circuit will effect the resistance..

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Graham Heslop

Physics Coursework

In this experiment we have been asked to find out whether the length of wire in the circuit will effect the resistance..

Hypothesis

At this point in time I predict that as you increase the length of wire the resistance will increase. I think this because there is more particles in the wire for the electrons to move around in and rebound off.

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Preliminary Test

The preliminary would determine what decisions I would make in regards to the main test. Before I could do the test I have to decide on a lot of things. I had to decide how long and short I would make the wire; as if I make it too short it would melt but if I made it too long the readings would be inaccurate. I had to find out the diameter of the wire I would be using. This bared the same principle and factors as the length of the wire.

        First of all I ...

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