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The difference in resistance between

Introduction This investigation determines how changing the length of Nickel-Chrome (nichrome) wires, when passing an electrical current through them, affects their resistance. It also determines how resistance is affected by a change in the diameter of the wire used. Resistance is “the property of failing to conduct electrical or thermalRead More

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Very little unless it is heated strongly

The resistance R of a conductor can be found by measuring the current (I) through it when a p. d V is applied across it and then using R = V. This is called the ammeter-voltmeter method. I Set up the circuit of the experiment in which the unknown resistanceRead More

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