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Electric Circuits

Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm

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Electric Circuits
A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is

 0.5 F
 0.02 F
 0.05 F
 0.2 F

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Electric Circuits
What is the reactive power in AC operation?

 Apparent power × sinθ.
 Real power × sinθ.
 Real power × cosθ.
 Apparent power × cosθ.

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Electric Circuits
In what connection we get neutral?

  Both A and B.
  Delta.
  Mesh.
  Star.

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Electric Circuits
A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance?

 0.015 Ω.
 63.7 Ω.
 135.86 Ω.
 1.765 Ω.

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Electric Circuits
What will be the rms value of rectangular wave with amplitude 10 V?

 5√2 V.
 7.7 V.
 10 V.
 11.2 V.

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MORE MCQ ON Electric Circuits

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