R

Ram Sharma • 193.84K Points
Coach Physics 

Q. The rotor slots are usually given slight skew in the squirrel cage induction motor

  • (A) To increase the tensile strength of the rotor bars and hence strength
  • (B) To reduce the magnetic hum and locking tendency of the rotor
  • (C) To save the copper used
  • (D) Because of case in fabrication
Correct Answer - Option(B)

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