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1. |
While delivering an useful power of 20 kW to the full load, a 3 phase, 50 Hz, 6 pole induction motor draws a line current of 50 A. it is connected to supply of 420 V and runs at a speed of 950 rpm. If mechanical losses are 1000 W, then its rotor copper losses and shaft torque are |
A. | 1105.26 W, 201.03 N-m |
B. | 1125.26 W, 201.03 N-m |
C. | 1105.26 W, 208.09 N-m |
D. | 1125.26 W, 208.09 N-m |
Answer» B. 1125.26 W, 201.03 N-m | |