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The cold resistance at 15°C of the field coil of a motor is 200Ω and the hot resistance is 240Ω. Determine the temperature rise assuming the temperature coefficient of resistance to be 0.0042Ω/Ω at 0°C/°C

Home/ College/The cold resistance at 15°C of the field coil of a motor is 200Ω and the hot resistance is 240Ω. Determine the temperature rise assuming the temperature coefficient of resistance to be 0.0042Ω/Ω at 0°C/°C