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A 220 V dc machine supplies 20 A at 200 V as generator. The armature resistance is 0.2Ω . If the machine is now operated as a motor at the same terminal voltage and current but with the flux increased by 10% the ratio of motor speed to generator speed is | |
A. | 0.87. [Correct Answer] |
B. | 0.95. [Wrong Answer] |
C. | 0.96. [Wrong Answer] |
D. | 1.06. [Wrong Answer] |