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Electric Circuits

Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 5 × 10-9 J.
 0.01 J.
 10 × 10-9 J.
 0.05 J.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Under damping
 Critical damping
 Over damping
 Undamping

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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

 2f0.
 f0 / 4.
 f0 / 2.
 still f0.

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Electric Circuits
What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

 Titanium oxide.
 Glass.
 Vacuum, air.
 Oil impregnated paper.

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Electric Circuits
Which of the following theorems can be applied to any network- linear or nonlinear, active or passive, time variant or time invariant?

 Millman theorem.
 Tellegen theorem.
 Norton Theorem.
 Thevnin theorem.

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 15.92 Ω.
 63.68 Ω.
 7.96 Ω.
 31.84 Ω.

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MORE MCQ ON Electric Circuits

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