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Electric Circuits

Electric Circuits
A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is

 0.02 F
 0.5 F
 0.2 F
 0.05 F

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 0.6.
 6.
 3.4.
 5.2.

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Electric Circuits
Silver coating is provided for

  decorative purpose.
  bearing surfaces.
  protective purpose.
  all of above.

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Electric Circuits
Energy efficiency during electroplating is usually in the range

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

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Air capacitor.
 Glass capacitor.
 Mica capacitor.
 Electrolytic capacitor.

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Electric Circuits
Kirchhoff’s current law is used for

 nodal analysis.
 finding equivalent resistance.
 representing a current source.
 loop analysis.

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MORE MCQ ON Electric Circuits

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