Q.The torque developed by a single-phase induction motor drop to zero at

  • ASynchronous speed
  • BA speed slightly above synchronous speed
  • CA speed slightly below synchronous speed
  • DNone of the above 
Correct Answer : (C)

A speed slightly below synchronous speed

Hints :

The torque developed by a single-phase induction motor drop to zero at a speed slightly below synchronous speed.

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