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Electric Circuits

Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 4.8 A.
 1.2 A.
 2.4 A.
 1.5 A.

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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.
 b - N - 1.
 N - 1.

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Electric Circuits
1 F is theoretically equal to

 ratio of 1 V to 1 C
 1 ohm of resistance
 none of these
 ratio of 1 C to 1 V

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 2.22
 1
 0
 1.11

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Electric Circuits
Select the wave that has the least value of form factor.

 Rectangular wave.
 Triangular wave.
 Sine wave.
 Square wave.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is

 5.08 A.
 1.27 A.
 10.16 A.
 2.54 A.

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