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Electric Circuits

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

 2.9585.
 2.585.
 1.285.
 2.185.

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Electric Circuits
Advantage of active filter is

  easy to tune.
  both of above.
  derive high impedance load.
  do not offer gain.

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Electric Circuits
The alternative names for active power is/are

 true power.
 real power.
 average power.
All of these

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

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

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Electric Circuits
In a capacitor the electric charge is stored in

 metal plates.
 dielectric.
 none of above.
 both of (A) and (B).

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Electric Circuits
A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.

 250
 130
 400
 900

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