Q.

If a 3-phase 350 V, 50Hz, 1440 rpm induction motor is operated on 420V, 60Hz supply, then the torque will

  • AIncrease
  • BDecrease
  • CRemain unchanged
  • DNone of these
Correct Answer : (C)

Remain unchanged

Hints :

If a 3-phase 350 V, 50Hz, 1440 rpm induction motor is operated on 420V, 60Hz supply, then the torque will Remain unchanged.

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