A 4-pole, 3-phase induction motor is running at 4 percent slip at full – McqOptions

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1.	A 4-pole, 3-phase induction motor is running at 4 percent slip at full load. If the speed of the motor is 720 rpm, the supply frequency is
A.	16hz
B.	25hz
C.	16
D.	20
Answer» C. 16

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