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A 240V dc shunt motor gives an output power of 25hp and draws an armature current of 80A at full load. Assume that the armature resistance is 0.05Ω and field resistance is 200Ω. Find the rotational losses at full load and motor efficiency.
A 240V dc shunt motor gives an output power of 25hp and draws an armature current of 80A at full load. Assume that the armature resistance is 0.05Ω and field resistance is 200Ω. Find the rotational losses at full load and motor efficiency.