A 4-pole, 3-phase, 60 Hz induction motor is operating at a speed of 1 – McqOptions

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1.	A 4-pole, 3-phase, 60 Hz induction motor is operating at a speed of 1500 rpm. The frequency of the rotor current of the motor in Hz is __________
A.	5
B.	4
C.	2
D.	7
Answer» C. 2

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