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Electric Circuits

Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 500 pF.
 1000 pF.
 125 pF.
 250 pF.

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Electric Circuits
In series RLC circuit what is the power factor just above the resonance frequency?

 Lagging
 Leading
 Unity
 Zero

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εrε0
 εr
 εr/ε0
 ε0

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Electric Circuits
In RL series circuit R=2Ω and L=2mH. What is the value of time constant?

 1msec
 4msec
 2msec
 100sec

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Electric Circuits
Unit of apparent power is

 KWhr.
 Watts.
 VAR.
 VA.

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Electric Circuits
In foster 1 form 1st element is

 none.
 inductor.
 capacitor.
 both.

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MORE MCQ ON Electric Circuits

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