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1. |
A 50Hz, 8 pole, 3 phase I.M. has a full load slip of 4%. Its rotor impedance per phase on standstill is 0.01+j0.005 ohms. Then the speed at maximum torque is ____. |
A. | 200 |
B. | 300 |
C. | 750 |
D. | 600 |
Answer» E. | |