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In a 3-Phase, 4-Pole, 50 Hz Synchronous Motor, the Frequency

Question 13

Multiple Choice

In a 3-phase, 4-pole, 50 Hz synchronous motor, the frequency, pole number and load torque all are halved. The motor speed will be

A) 3000 r.p.m.
B) 1500 r.p.m.
C) 750 r.p.m.
D) none of the above

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