A copper wire has a resistance of 0.5 Ω at 20 °C, and an iron wire has a resistance of 0.525 Ω at the same temperature. Find the temperature at which their resistances are equal. The temperature coefficients of resistivity for copper and iron are 0.00393 °C^-1 and 0.0065 °C^-1, respectively.
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A copper wire has a resistance of 0.5 Ω at 20 °C, and an iron wire has a resistance of 0.525 Ω at the same temperature. Find the temperature at which their resistances are equal. The temperature coefficients of resistivity for copper and iron are 0.00393 °C^-1 and 0.0065 °C^-1, respectively.
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