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Electric Circuits

Electric Circuits
Average power taken by the pure capacitor is

 Any of the above
 Zero
 Maximum
 Minimum

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 0.5.
 0.577.
 1.
 0.866.

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Electric Circuits
Which of the following Y-parameters is dimensionless?

 Y12.
 Y11.
 none of these.
 Y22.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 1.5 V.
 3 V.
 15 V.
 5 V.

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Electric Circuits
In delta connected circuit when one resistor is open, then power will be

 increased by factor of 3.
 reduced by the factor of 3.
 0.
  remain unchanged.

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Electric Circuits
Which of the following are the passive elements?

 Bulb
 Both
 Resistor
 None of these.

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MORE MCQ ON Electric Circuits

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