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Electrical Machines

Electrical Machines
Voltage regulation of transformer is given by

 (E2 - V2) / E2
 (V2 - E2) / V2
 (V2 - E2) / E2
 (E2 - V2) / V2

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Electrical Machines
Transformer oil is used as

 a coolant.
 inert medium.
 both A and B.
 an insulator.

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Electrical Machines
Induction motor operation depends on

 rotating magnetic field.
 either of these.
 stationary magnetic field.
None of these

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Electrical Machines
In DC machine, the armature windings are placed on the rotor because of necessity for

 commutation.
 generation of voltage.
 development of torque.
 electromechanical energy conversion.

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Electrical Machines
Rotating part of DC motor is known as

 Pole.
 Carbone brush.
 Starter.
 Armature.

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Electrical Machines
What is the full form of MNP?

  Magnetic field neutral plane.
  Magnetic neutral pole.
  Magnetic neutral plane.
  Magnetic field neutral pole.

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MORE MCQ ON Electrical Machines

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