A short shunt compound DC generator supplies a current of 100 A at a voltage of 220V. If the resistance of the shunt field is 50 ohms and series fld 0.025 ohms and of the armature 0.05 ohms , the total brush drop is 2 V and the iron and friction losses amount to 1 KW , find

(a)The generated emf (c) the output of the prime mover

(b)The copper losses (d) the generator efficiency

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