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Electric Circuits

Electric Circuits
In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor?

 4V
 10V
 16V
 8V

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

 0.2 F
 0.02 F
 0.5 F
 0.05 F

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Electric Circuits
Capacitors for P.f correction are rated in

 KVAR.
 KV.
 KVA.
 KW.

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Electric Circuits
Which of following is invariably seen in an electroplating plant?

  Distilled water.
  Rectifier.
  Barrel.
  Carbon brushes.

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Electric Circuits
A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance?

 135.86 Ω.
 0.015 Ω.
 63.7 Ω.
 1.765 Ω.

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 2.22
 1
 1.11
 0

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