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Electric Circuits

Electric Circuits
Which part of magnetic path requires largest mmf?

 Inductance.
 Coil.
 Core.
 Air gap.

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Electric Circuits
An electric field line and an equipotential surface are

 none of above.
 inclined at any angle.
 always parallel.
 always perpendicular.

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Electric Circuits
When power factor angle is constant, then shape of the current locus is

 triangle.
 straight line.
 semi circle.
 circle.

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Electric Circuits
In Cauer 1st form last element in the network is

  Cseries.
  Lshunt.
  Lseries.
  Cshunt.

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (2 + j4) pu
 (4 + j2 ) pu
 (3 + j4) pu
 (4 + j3) pu

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Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 2 A.
 1 A.
 1.5 A.
 0.5 A.

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MORE MCQ ON Electric Circuits

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