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Electric Circuits

Electric Circuits
In steady state condition capacitor acts as a

 short circuit
 voltage source
 current source
 open circuit

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 b - N + 1.
 N - 1.
 b - N - 1.
 N.

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Electric Circuits
A wire of resistance R has it length and cross - section both doubled. Its resistance will become

 2R.
 0.5R.
 R.
 4R.

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Electric Circuits
The life of a lead acid battery is expected to be

 6 months.
 2 to 5 years.
 1 year.
 10 to 15 years.

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Electric Circuits
In Cauer 1st form last element in the network is

  Lshunt.
  Cseries.
  Lseries.
  Cshunt.

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 0.01 J.
 0.05 J.
 10 × 10-9 J.
 5 × 10-9 J.

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MORE MCQ ON Electric Circuits

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