# Electronics and Communication Engineering - Networks Analysis and Synthesis

1.

When an ac circuit has sources of different frequencies, the only method of analysis is superposition theorem.

 A. True B. False

Explanation:

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2.

In a Parallel connection of circuit the bandwidth in terms of R, L, C is

 A. B = 1/RC B. B = 1/RL C. B = 1/RLC D. B = RLC

Explanation:

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3.

It two voltages are v1 = 100 sin (ωt - 30°) and v2 = cos ω t then

 A. v1 is leading v2 by 30° B. v2 is leading v1 by 30° C. v2 is leading v1 by 60° D. v1 is leading v2 by 60°

Explanation:

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4.

In a purely inductive ac circuit the power curve is a sinusoid of the same frequency as the voltage.

 A. True B. False

Explanation:

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5.

The superposition theorem is applicable to

 A. linear, non-linear and time variant responses B. linear and non-linear resistors only C. linear responses only D. none of the above