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Temperature coefficient of resistivity for copper

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A copper wire has a resistance of 0.455 Ω at 20.0°C, and an iron wire has a resistance of 0.492 Ω at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.9010-3(°C)-1and for iron it is 5.0010-3(°C)-1.

Reference no: EM131085467

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