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

Answer: Option A

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

Answer: Option A

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°

Answer: Option C

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

Answer: Option B

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

Answer: Option C

Explanation:

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