Question: A d . c . shunt motor takes 6 A at 1 0 0 V when running light. Shunt field resistance is 2 5 and

A d.c. shunt motor takes 6 A at 100 V when running light. Shunt field resistance is 25
and armature resistance is 0.25. Find the iron and friction losses, the output power
and efficiency when the motor takes 80 A.

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