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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.
 b - N + 1.
 b - N - 1.
 N - 1.

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Electric Circuits
What is called the frequency in AC operation?

 No. of (-) ve quadrature made per second.
 No. of (+) ve quadrature made per second.
 No. of wave made per second.
 No. of cycles made per second.

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Electric Circuits
Which material has extremely large resistance?

 Insulator
None of these
 Semiconductor
 Conductor

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Electric Circuits
Laplace transform analysis gives

 real response only.
 time domain response only.
 both (a) and (b).
 frequency domain response only.

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Electric Circuits
A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0?

 20 Watts.
 40 Watts.
 10 Watts.
 15 Watts.

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Electric Circuits
One atomic mass unit ( amu ) is approximately equal to

 1.6 × 10-24 Kg.
 1.6 × 10-13 Kg.
 1.6 × 10-19 Kg.
  1.6 × 10-27 Kg.

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