In a Three Phase Induction Motor Rotor is Slightly Skewed :

In a three phase induction motor rotor is slightly skewed to prevent the magnetic interlocking & hum noise. This phenomena  of magnetic interlocking is called…….

  1. Sparking
  2. Tagging
  3. Cogging
  4. None of these
Anurag Mishra Professor Asked on 21st October 2015 in Physics.
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    Cogging

    In a three phase induction motor rotor is slightly skewed to prevent the magnetic interlocking & hum noise. This phenomena of magnetic interlocking is called Cogging.

    Monis Rasool Professor Answered on 21st October 2015.
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