A 14-pole, 3-phase, 50 Hz induction motor is operating at a speed of 9 – McqOptions

MCQOPTIONS

1.	A 14-pole, 3-phase, 50 Hz induction motor is operating at a speed of 99 rpm. The frequency of the rotor current of the motor in Hz is __________
A.	39.5
B.	40
C.	38.45
D.	39.9
Answer» D. 39.9

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