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Electric Circuits

Electric Circuits
Which law(s) find application in electrolysis?

 Ohms law.
 Gausss law.
 Coulombs law.
 Faradays law.

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Electric Circuits
If the dielectric of a capacitor is replaced by conducting material

 the plate will get short circuited.
 the capacitor can store infinite charge.
 the capacitor will get heated up due to eddy currents.
 the capacitance value of the plate will decrease.

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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
If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor?

 7.7 ohms.
 9.7 ohms.
 6.7 ohms.
 8.7 ohms.

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Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Circle
 Straight line
 Triangle
 Semicircle

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Electric Circuits
In series RLC circuit what is the power factor just bellow the resonance frequency?

 Unity
 Lagging
 Leading
 Zero

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MORE MCQ ON Electric Circuits

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