Electrical Machines
_____________ types of induction motor are widely used.

  Single phase IM.
  Three phase IM.
  Slip ring IM.
  Squirrel cage IM.

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Electrical Machines
An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will

 start working as induction motor.
 continue to work as synchronous motor with same direction of rotation.
 come to stand still.
 continue to work as alternator but the direction of rotation will reverse.

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