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Electric Circuits

Electric Circuits
Conductance of any conductor is expressed as

  ampere / watt.
  volt2 / watt.
  mho.
  watt / ampere2.

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 1.
 0.5.
 0.866.
 0.577.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 66.66.
 76.66.
 40.25.
 36.36.

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Electric Circuits
In steady state condition capacitor acts as a

 open circuit
 current source
 voltage source
 short circuit

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per coulomb.
  mg per kW.
  mg per volt.
  mg per kVA.

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Electric Circuits
What is the unit of potential difference ?

 Ampere
 Ohm
 Volt
 Watt

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MORE MCQ ON Electric Circuits

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