The input and output powers of a 200 V shunt motor are 30 and 28 kW respectively. The field and armature circuit resista

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The input and output powers of a 200 V shunt motor are 30 and 28 kW respectively. The field and armature circuit resista

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The input and output powers of a 200 V shunt motor are 30 and 28kW respectively. The field and armature circuit resistances are 40Ω and 0.0125 Ω respectively. Determine the efficiency of the motorif the output power is reduced to 10 kW.
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