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1. |
A three-phase induction motor rated for 500 kW, 400 V, 50 Hz and 6 poles runs at a speed of 960 rpm when fully loaded. Slip of the machine will be: |
A. | 0.04 |
B. | 0.01 |
C. | 0.02 |
D. | 0.03 |
Answer» B. 0.01 | |