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Physics, 07.04.2020 00:50, ashleymartinez147
A wire of resistivity rhorho must be replaced in a circuit by a wire of the same material but 4 times as long. If, however, the resistance of the new wire is to be the same as the resistance of the original wire, the diameter of the new wire must be
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A wire of resistivity rhorho must be replaced in a circuit by a wire of the same material but 4 time...
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