Cogging in an induction motor is caused if number of stator slots are integral multiple of rotor slots

Q.  Cogging in an induction motor is caused
- Published on 27 Oct 15

a. If the number of stator slots are integral multiple of rotor slots
b. If the motor is running at fraction of its rated speed
c. Due to fifth harmonic
d. All of these

ANSWER: If the number of stator slots are integral multiple of rotor slots

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