A 32-pole, 3-phase, 70 Hz induction motor is operating at a speed of 1 – McqOptions

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1.	A 32-pole, 3-phase, 70 Hz induction motor is operating at a speed of 112 rpm. The frequency of the rotor current of the motor in Hz is __________
A.	40.2
B.	46.1
C.	40.1
D.	40.6
Answer» D. 40.6

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