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Electric Circuits

Electric Circuits
Conductance of any conductor is expressed as

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

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10000 N.
 1000 N.
 10 N.
 100 N.

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Electric Circuits
Super mesh analysis is used in case of

 ideal voltage source is connected between two non reference nodes.
 current source branch is common for two meshes.
 both.
 either 1 or 2.

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Electric Circuits
When water is added to sulphuric acid

  water start boiling.
  lot of heat is generated.
  acid particles get separated.
  colour of acid changes.

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Electric Circuits
Inductor does not allow the sudden change of

 current
None of these
 power
 voltage

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 400 Ω.
 4 Ω.
 800 Ω.
  40 Ω.

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MORE MCQ ON Electric Circuits

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