If a 4 –pole induction motor has a speed of 1800 rpm, then the frequ – McqOptions

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1.	If a 4 –pole induction motor has a speed of 1800 rpm, then the frequency at which the motor is operating is:
A.	60 Hz
B.	40 Hz
C.	30 Hz
D.	50 Hz
Answer» B. 40 Hz

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