A 4-pole, 3-phase induction motor operates from a supply whose frequen – McqOptions

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1.	A 4-pole, 3-phase induction motor operates from a supply whose frequency is 50 Hz. Calculate the speed of the rotor and frequency of the rotor currents when the slip is 0.04.
A.	N = 1450 rpm and frequency is 4 Hz
B.	N = 1440 rpm and frequency is 48 Hz
C.	N = 1460 rpm and frequency is 4 Hz
D.	N = 1440 rpm and frequency is 2 Hz
Answer» E.

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