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Electric Circuits

Electric Circuits
In the network shown, what is the current I in the direction shown?

 1 / 3 A.
 0 A.
 4 A.
 5 / 6 A.

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Electric Circuits
Capacitors for P.f correction are rated in

 KV.
 KW.
 KVA.
 KVAR.

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Electric Circuits
A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be?

 Electrolytic capacitor.
 Ceramic capacitor.
 Paper capacitor.
 Any of above.

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Electric Circuits
During electroplating the amounts of different substances liberated by same quantity of electricity are proportional to their

  valency.
  atomic numbers.
  chemical equivalents.
  atomic weights.

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 63.68 Ω.
 31.84 Ω.
 7.96 Ω.
 15.92 Ω.

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

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

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MORE MCQ ON Electric Circuits

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