A 220 V DC machine supplies 20 A at 200 V as a generator. The armature...

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A 220 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 ohm. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is (A) 0.87 (C) 0.96 (B) 0.95 (D) 1.06 A 220 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 ohm. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is (A) 0.87 (C) 0.96 (B) 0.95 (D) 1.06

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