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Electric Circuits

Electric Circuits
The value of specific gravity of acid when a lead acid battery is fully charged is

 2.185.
 2.9585.
 1.285.
 2.585.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is

 50.5 V.
  31.9 V.
  39.1 V.
 45.5 V.

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

 doubled as compared to previous one.
 remains same.
None of these
 halved as compared to previous one.

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Electric Circuits
A dependent source can be

 both a voltage or a current source.
 a current source.
 a voltage source.
 neither a voltage nor a current source.

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

 se-as.
 s(1-e-as).
 (e-as)/s.
 e-as.

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Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 N - 1.
 N.
 b - N - 1.
 b - N + 1.

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