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Electric Circuits

Electric Circuits
In what connection we get neutral?

  Both A and B.
  Star.
  Delta.
  Mesh.

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Electric Circuits
Purpose of using capacitor is / are

 all of these.
 to do phase split in AC 1 phase motor.
 increase p.f of inductive load circuit.
 effect DC filter in electronic circuit.

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Electric Circuits
Active element of electrical circuit is

 none of above.
 voltage source.
 current source.
 both of them.

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Electric Circuits
What is the real power in AC operation?

 None of these.
 VIcosφ.
 Apperant power × cosφ.
 Both option A and B.

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Electric Circuits
The resistance of 100 W, 200 V lamp is

 400 Ω.
 1600 Ω.
 200 Ω.
 800 Ω.

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 5.77.
 4.71.
 1.92.
 2.36.

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MORE MCQ ON Electric Circuits

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