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Electric Circuits

Electric Circuits
The capacity of a cell is measured in

  watts.
  ampere-hour.
  amperes.
  watt-hours.

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Electric Circuits
Which of following is invariably seen in an electroplating plant?

  Barrel.
  Distilled water.
  Rectifier.
  Carbon brushes.

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Electric Circuits
A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor?

 60 V.
 20 V.
 30 V.
 50 V.

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Electric Circuits
Active materials of a lead acid cell are

 spongy lead.
 lead peroxide.
 all of above.
 dilute H2SO4.

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

 (5 + j10 / 3) Ω.
  (10 + j30) Ω.
 (20 + j10) Ω.
 40 Ω.

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Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 1.5 F.
 15 μF.
 0.015 F.
 1.5 μF.

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MORE MCQ ON Electric Circuits

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