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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
According to duality principle a series inductor (L) can be represented as

 Series L.
 Series C.
 Parallel L.
 Parallel C.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 1000000 ohms, 1 W.
 5000 ohms, 100W.
 10 ohm, 50 W.
 10000 ohms, 10 W.

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Electric Circuits
In the circuit shown below if I = 2 A then find V?

 3 V.
 1 V.
 5 V.
 2 V.

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Electric Circuits
An electric field line and an equipotential surface are

 none of above.
 always perpendicular.
 always parallel.
 inclined at any angle.

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 none of these.
 all pins are of same size.
 for designing purpose.
 for protection purpose.

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