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Electric Circuits

Electric Circuits
In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant?

 4 msec
 2 msec
 4 μsec
 2 μsec

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 1.875 W.
 15.247 W.
 9 W.
 4.547 W.

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Electric Circuits
The unit of electric displacement vector is

 C/m2.
 Ampere-m.
 C/m.
 C - m.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 F.
 0.
 εr/F.
 F εr.

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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?

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

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Electric Circuits
In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance.

 35 mH.
 30 mH.
 38 mH.
 34 mH.

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