Electrical Machines
In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________.

 remains same.
 kept constant to certain value.
 decreased.
  increased.

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

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

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