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Electric Circuits

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

 (e-as)/s.
 e-as.
 se-as.
 s(1-e-as).

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per coulomb.
  mg per volt.
  mg per kW.
  mg per kVA.

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Electric Circuits
If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is

 25.64%
 39.00%
 1.89%
 1.94%

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Electric Circuits
The capacity of a lead acid cell does not depends on its

 temperature.
 rate of discharge.
 quantity of active material.
 rate of charge.

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Electric Circuits
If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ?

 None of these.
 0.01 V.
  1 V.
 0.1 V .

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Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 0.
 V/R.
 (V*L) / (R*C)
 V / {R + (sL + 1 / Cs)}.

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