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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 cut set matrix is

 b - N - 1.
 b - N + 1.
 N - 1.
 N.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2.5 A.
 1 A.
 4 A.
 2 A.

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Electric Circuits
Which material has extremely large resistance?

None of these
 Insulator
 Semiconductor
 Conductor

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  n2R.
  R / n2.
  nR .
  n2 / R.

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Electric Circuits
Which law(s) find application in electrolysis?

 Ohms law.
 Gausss law.
 Coulombs law.
 Faradays law.

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Electric Circuits
The current in the resistor R shown in figure will be

 0.2 A.
 0.4 A.
 0.6 A.
 0.8 A.

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