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Electric Circuits

Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 bilateral.
 unilateral.
 linear.
 non linear.

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Electric Circuits
The Laplace Transform of a shifted unit step f (t) = U (t-a) is

 se-as.
 (e-as)/s.
 s(1-e-as).
 e-as.

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Electric Circuits
Active element of electrical circuit is

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

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Electric Circuits
A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is

 halved.
 doubled.
 remain same.
 increase by two times.

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Electric Circuits
In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem

 Reciprocity theorem
 Compensation theorem
 Norton's theorem
 Thevinin's theorem

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Electric Circuits
Coating generally recommended for hard surfacing is

 chromium plating.
 lead plating.
None of these
 copper plating.

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MORE MCQ ON Electric Circuits

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