Electrical Machines
Wave winding is prefered for which of the following rating?

 high current and high voltage
 low current and high voltage
 high current and low voltage
 low current and low voltage

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Electrical Machines
In a 3 - Φ induction motor

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

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