Find out how the length of a piece of wire affects its resistance.
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Resistance coursework Aim: In this investigation, we are going to find out how the length of a piece of wire affects its resistance. In this investigation I am investigating resistance. There are many different factors which affect the resistance. These include: * Temperature * Thickness * Length * Material However, I will be focusing on length in particular. How does the length of wire affect the resistance? Resistance is about how hard it is for electrons to pass through a material. When current flows round a circuit, it encounters resistance. Resistance can be high or low, depending on the characteristics of the wire. These characteristics make different materials unique, however some materials share similar ones. Prediction I think that as the length of the wire increases, the resistance will increase, I think this because resistance is about how hard it is for electrons to pass through a material, so if a piece of wire is say 10cm long...

