Electrical Machines
No load test on induction motor is conducted to find which of the following losses?

All of these
 Stator copper loss
 Rotational loss
 Stator core loss

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Electrical Machines
Compensating windings are used in DC generators

  to provide path for the circulation of cooling air.
None of these
  mainly to reduce the eddy currents by providing local short circuit.
  to neutralize the cross magnetizing effect of the armature reaction.

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