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Electric Circuits

Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel C.
 Series L.
 Series C.
 Parallel L.

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

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

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Electric Circuits
In above question, if circuit efficiency is 90 %. What will be output power ?

  37.3 kW.
  40 kW.
  30 kW.
  35.6 kW.

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Electric Circuits
The resistivity of the conductor depends on

 none of these.
 length of the conductor.
 area of the conductor.
 type of material.

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Electric Circuits
Average power taken by the pure capacitor is

 Maximum
 Zero
 Minimum
 Any of the above

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Electric Circuits
The plates of lead acid storage battery are most likely to be short circuited if

 sediment collect at the bottom of the battery.
 too much water is added.
 the electrolyte evaporates.
 the battery charged too slowly.

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MORE MCQ ON Electric Circuits

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