A field coil of a shunt motor has a resistance of 45 Ω at 20° C. Fin – McqOptions

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1.	A field coil of a shunt motor has a resistance of 45 Ω at 20° C. Find the average temperature of the winding at the end of the run when the resistance is increased to 48 Ω. The temperature coefficient of resistance is 0.004/°C.
A.	45° C
B.	42° C
C.	35° C
D.	38° C
Answer» E.

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