Electrical Machines
In which of the following DC Motor the ratio of starting torque to full load torque is minimum?

  Cumulative compound motor.
  Differential compound motor.
  Series motor.
  Shunt motor.

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Electrical Machines
In a star - delta starting of an IM

  resistance is inserted in the rotor.
  reduced voltage is applied to the stator.
  line voltage is 57.7 % of stator voltage.
  applied voltage per stator phase is 57.7 % of a line volt

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