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A copper wire has a resistance of0.540at 20.0C, and an iron wire has a resistance of0.575at the same temperature. At what temperature are their resistances

A copper wire has a resistance of0.540at 20.0C, and an iron wire has a resistance of0.575at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is3.9010-3(C)1and for iron it is5.0010-3(C)1.

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