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Electric Circuits

Electric Circuits
Link in network theory refers to

  B - N - 1.
  N - 1.
  N - B - 1.
  B - N + 1.

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Electric Circuits
Whenever current is supplied by a source its terminal voltage

 remains constant.
 increases.
 decreases.
 increases exponentially.

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Electric Circuits
The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

 2R Ω
 4R Ω
 R Ω
 8R Ω

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Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 0.1 Ω.
 100 Ω.
 10 Ω.
 1 Ω.

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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?

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

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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 tie set matrix is

 N.
 b - N - 1.
 N - 1.
 b - N + 1.

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