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Electric Circuits

Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 N.
 b - N - 1.
 N - 1.
 b - N + 1.

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 4 Ω.
 2 Ω.
 3 Ω.
 1 Ω.

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Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Paper.
 Electrolytic.
 Ceramic.
 Mica.

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Electric Circuits
Kirchhoff’s current law is used for

 representing a current source.
 loop analysis.
 nodal analysis.
 finding equivalent resistance.

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Electric Circuits
In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor?

 4A
 2A
 3A
 5A

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Electric Circuits
Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as

  (Zsc . Zoc)½
 Zsc-Zoc
 Zsc+Zoc
 Zsc/Zoc

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