Electrical Machines
For high current and low current rating which winding is employed to DC machine?

 Both lap and wave winding
 Lap winding
 Wave winding
 None of above

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Electrical Machines
The synchronous motor can be started by

  any of the above methods.
  coupling it with a small AC induction motor called the pony motor.
  coupling it with a DC compound motor.
  providing damper winding in its rotor circuit.

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