Question:
A copper wire has a resistance of 0.495 2 at 20.0°C, and an
Last updated: 7/30/2022
A copper wire has a resistance of 0.495 2 at 20.0°C, and an iron wire has a resistance of 0.519 2 at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.90 x 10-3(°C)-1 and for iron it is 5.00 x 10-³(°C)-¹.