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Electric Circuits

Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 leading
 lagging
 zero
 unity

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Electric Circuits
Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be

 5 µF
 25 µF
 10 µF
 1 µF

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Electric Circuits
Common impurity in battery electrolyte is

 sodium chloride.
 iron.
 dust.
 lead sulfate.

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Electric Circuits
What is the frequency of domestic power in India?

 60 Hz.
 70 Hz.
 220 Hz.
 50 Hz.

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF and applied voltage is 10V DC. Then what is steady state current value?

 5A
 0A
 1A
 2A

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

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

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