Electrical Machines
In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when

  the generator runs on overload.
  the generator runs on full load.
  there is no load on the generator.
  the generator runs on designed speed.

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Electrical Machines
In a 3 - Φ induction motor

  power factor at starting is high as compared to that while running.
  power factor at starting in the same as that while running.
  power factor at starting is low as compared to that while running.
  none of them.

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