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Electric Circuits

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

 N - 1.
 N.
 b - N + 1.
 b - N - 1.

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Electric Circuits
Electrolyte for silver plating is

  double cyanide of silver and potassium solution.
  potassium nitrate solution.
  any of above.
  dilute sulphuric acid.

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Electric Circuits
Kirchhoff's second law is based on law of conservation of

 mass.
 charge.
 momentum.
 energy.

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Electric Circuits
If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor?

 10 × 10 - 3 Joule.
 10 × 10 6 Joule.
 5 × 10 - 2 Joule.
 5 × 10 - 3 Joule.

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Electric Circuits
Which of following capacitors has relatively shorter shelf life?

 Paper.
 Glass.
 Electrolytic.
 both (B) and (C) above.

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Electric Circuits
A branch of a network is said to be active when it consists of one

 capacitor.
 inductor.
 voltage source.
 resistor.

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