A 2-pole, 3-phase, 50 Hz induction motor is operating at a speed of 40 – McqOptions

MCQOPTIONS

1.	A 2-pole, 3-phase, 50 Hz induction motor is operating at a speed of 400 rpm. The frequency of the rotor current of the motor in Hz is __________
A.	43.33
B.	42.54
C.	43.11
D.	41.47
Answer» B. 42.54

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