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Electric Circuits

Electric Circuits
Time constant of RL series circuit is

 2RC
 2L/R
 L/R
 RC

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Electric Circuits
Active element of electrical circuit is

 current source.
 both of them.
 voltage source.
 none of above.

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Electric Circuits
An equipotential surface is one which has all points at _____________ potential.

 different.
 same.
 zero.
 none of them.

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Electric Circuits
In series RLC circuit to get Q>1, which of the following is required?

 XL > R
 XL < R
All of these
 XL = R

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Electric Circuits
The Norton equivalent of a network is given as IN = 4A and RN = 2 Ohm. When this circuit is connected across a 2 Ohm load, the current through the load is

 1 A.
 2 A.
 0 A.
 4 A.

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

 leading
 unity
 zero
 lagging

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MORE MCQ ON Electric Circuits

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