Q.

Electromagnetic torque is present in rotating machines when 

  • AStator winding carried current
  • BRotor winding carried current
  • CBoth stator and rotor windings carry current
  • DNone of the above 
Correct Answer : (C)

Both stator and rotor windings carry current

Hints :

Electromagnetic torque is present in rotating machines when Both stator and rotor windings carry current.

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