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Electric Circuits

Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 unity
 low
 zero
 high

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Electric Circuits
What are the points to be mentioned in specifying main switches?

  Voltage grade.
  Both A and B.
  None of these.
  Current rating.

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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
If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to

  Q / d2.
  Q2 × d.
  Q2 / d.
  Q × d.

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Electric Circuits
A 10Ω resistor is stretched to increase its length double. Its resistance will now be

 5 Ω.
 20 Ω.
 40 Ω.
 10 Ω.

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Electric Circuits
Which quantity consists of a unit 1KWh ?

 Charge
 Power
 Energy
 Time

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MORE MCQ ON Electric Circuits

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