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Q.The rotor slots are slightly skewed in squirrel cage induction motor to

  • AIncrease the strength of rotor bars
  • BReduce the magnetic hum and locking tendency of rotor
  • CEconomize on the copper to be used
  • DProvide case of fabrication
Correct Answer : (B)

Reduce the magnetic hum and locking tendency of rotor
Hints :

The rotor slots are slightly skewed in squirrel cage induction motor to Reduce the magnetic hum and locking tendency of rotor.

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