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Electric Circuits

Electric Circuits
Which of the following substance when added to electrolyte promotes smooth deposition?

 Gelatine.
 Glucose.
 Albumen.
 Any of above.

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Electric Circuits
In a lead acid cell PbSO4 formed during

  both during charging as well as discharging.
  neither during charging nor discharging.
  discharging only.
  charging only.

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

  P.
 4P.
 2P.
 16P.

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Electric Circuits
Purpose of using capacitor is / are

 to do phase split in AC 1 phase motor.
 effect DC filter in electronic circuit.
 increase p.f of inductive load circuit.
 all of these.

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Electric Circuits
Energy efficiency during electroplating is usually in the range

 85 to 90%.
 50 to 80%.
 80 to 85%.
 90 to 99%.

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Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 unilateral.
 non linear.
 linear.
 bilateral.

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