A copper wire has a resistance of 0.500Qat 20.0°C, and an iron wire has a resistance of 0.5250at the same temperature. At what temperature are their resistances equal?
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- Please ans part b only1. A circular loop has radius R and carries current Iz in a clockwise direction. The center of the loop is a distance D above an infinitely long, straight wire carrying a current I1. (c) ) If I = l2 = I and the direction of I, is to the left, what is the magnitude of the total magnetic field at the center of the loop?Only D, E, and F please Thank you