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1. |
A 3-phasle, 6-pole, 50 Hz induction motor has a full load speed of 960 rpm with its slip rings short circuited. The motor drives the constant load. If the speed is reduced to 800 rpm, then ohmic losses will _________ |
A. | reduce |
B. | increase |
C. | reduce first then becomes constant |
D. | remains same |
Answer» B. increase | |