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Electric Circuits

Electric Circuits
Conductance of any conductor is expressed as

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

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Electric Circuits
The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.

 450
 200
 250
 360

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Electric Circuits
Power factor can be defined as

 ratio of resistance versus impedance.
 both option B and C.
 cosine of angle between voltage and current.
 sine of voltage and current.

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 indeterminate.
 1.
 infinite.
 0.

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Electric Circuits
Which of the following is the heaviest?

 Electron.
 Proton.
 Molecule.
 Atom.

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Electric Circuits
A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is

 250 / √3 V.
 250 √3 V.
 200 V.
 250 V.

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MORE MCQ ON Electric Circuits

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