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How does the Thickness of Wire Affect Resistance?
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| Submitted: Wed Mar 24 2004
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Sarah Hurworth How does the Thickness of Wire Affect Resistance? I have chosen to investigate the effect thickness will have on the resistance in wire.. Apparatus Wires of varying thickness Power pack Leads A voltmeter An ammeter Crocodile clips Prediction I predict that the thicker the wire, the lesser the amount of resistance. This is because as electrons pass through a circuit, they give off heat. The surrounding atoms use this heat as energy, which causes them to vibrate. As the electrons give off more energy, the atoms vibrate more, making it harder to allow the electrons to get through the wire. Therefore, a thinner piece of wire will create more resistance (because there is less space for the electrons to get though). See the diagram below for more explanation. The experiment I intend to do will revolve around this circuit and this triangular equation: This is a diagram of the circuit I intend to use. saz_h123,...
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