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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.
 1.285.
 2.185.
 2.585.

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Electric Circuits
Which of the followings is the expression for energy stored in a capacitor?

 C / v.
 Cv.
 (1 / 2) Cv2.
 C dv / dt.

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Electric Circuits
An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation

 ic > id.
 ic < id.
 ic = id.
 ic + id = 0.

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Electric Circuits
The current in a chemical cell is a movement of

  positive and negative ions.
  positive ions only.
  negative ions only.
 positive hole charges.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is

 N.
 b - N + 1.
 b - N - 1.
 N - 1.

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Electric Circuits
Which of the following defined the average value ?

 Heating effect
 Current
 Charge transfer
 Voltage

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