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Electric Circuits

Electric Circuits
In steady state condition capacitor acts as a

 voltage source
 current source
 open circuit
 short circuit

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Electric Circuits
A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is

 still f0.
 f0 / 4.
 f0 / 2.
 2f0.

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Electric Circuits
Which of the following may be value of resistivity of copper?

 1.7 X 10 - 5.
 1.7 X 10 - 3.
 1.7 X 10 - 6.
 1.7 X 10 - 4.

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Electric Circuits
Time constant of RC series circuit is

 RC
 L/R
 2L/R
 2RC

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

 0.5 F
 0.2 F
 0.02 F
 0.05 F

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Electric Circuits
Which of following is the unit of magnetic flux density?

 Weber.
 Tesla.
 Lumens.
 Daraf.

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MORE MCQ ON Electric Circuits

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