In torque equation of single phase induction motor, pulsating frequency is twice of supply frequency

Q.  The torque equation of single phase induction motor contains a constant term superimposed over by a pulsating torque. The pulsating frequency is
- Published on 29 Oct 15

a. Equal to the supply frequency
b. Twice of the supply frequency
c. Half of the supply frequency
d. None of these

ANSWER: Twice of the supply frequency

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