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2. DETAILS As the temperature of a metal rod varies, so does the resistance and the dimensions of the rod. If a copper rod has

2. DETAILS As the temperature of a metal rod varies, so does the resistance and the dimensions of the rod. If a copper rod has a resistance of 4.52 0 at 20.0C, determine the resistance of the rod (in () at 120C by accounting for the ch dimensions of the rod. The coefficient of linear expansion for copper is 1.67 x 1073 (C)" and the temperature coefficient of resistivity is 4.04 x 10- (.C)-1

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