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How does the length of a wire affect the Resistance?
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| Submitted: Thu Jul 11 2002
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How does the length of a wire affect the Resistance? Planing Aim: To find out how the length of a nicrome wire affects the resistance. Prediction: The longer the wire the more resistance there will be. The atoms in the wire are very close together, because the wire is a solid. The atoms are made of protons, neutrons, and electrons. = atom = electron In a long piece of wire there are more atoms so there is less room for the electrons to get through. The electrons bump into the atoms and lose some of their energy. However in a short piece of wire, there are less atoms. This means that it is easier for the electrons to move through the wire. The atoms rub against the electrons, and this creates friction. The friction also creates heat, which makes the wire hot. If the wire gets too hot, it will melt. Diagram: Battery...
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