By how much must the voltage be increased in order

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A coil of copper wire has a resistance of 90Ω at20oC and is connected to a 230V supply. By how much mustthe voltage be increased in order to maintain the current constantof the temperature of the coil rises to 60^oC? Take thetemperature coefficient of resistance of copper as 0.00428 from0^oC.

Reference no: EM13293976

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