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Electric Circuits

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

 2.585.
 2.9585.
 1.285.
 2.185.

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

 indirectly proportional to the square of frequency
 directly proportional to the square of frequency
 indirectly proportional to frequency
 directly proportional to frequency

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Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 1 V.
 None of these.
 2 V.
 0.5 V.

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Electric Circuits
Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances?

 3 Ω and 9 Ω.
 6 Ω and 9 Ω.
  1.5 Ω and 3 Ω.
  3 Ω and 6 Ω.

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Electric Circuits
Electro-chemical equivalent is usually expressed in

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

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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.
 increase by two times.
 remain same.
 doubled.

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