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Electric Circuits

Electric Circuits
In series RLC circuit what is the power factor just above the resonance frequency?

 Leading
 Unity
 Lagging
 Zero

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Electric Circuits
What is I1 in the given circuit?

  3 A.
  1.5 A.
  0.5 A.
  1 A.

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Electric Circuits
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star?

 33.33 % of the original load.
 25 % of the original load.
 50 % of the original load.
 66.66 % of the original load.

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Electric Circuits
The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem?

 Superposition theorem.
 Norton’s theorem.
 Millman’s theorem.
 Thevenin’s theorem.

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Electric Circuits
What would be the power given by source V2?

 5 W.
 0 W.
 10 W.
 - 5 W.

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Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

None of these
 Both
 0
 ∞

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MORE MCQ ON Electric Circuits

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