Electronics and Communication Engineering - Networks Analysis and Synthesis

1. 

Substitution theorem applies to

A. Linear network
B. Non linear network
C. Linear time invariant network
D. Any network

Answer: Option C

Explanation:

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2. 

In figure, i = Im sin ωt. If v = 0, ω =

A.
B.
C.
D.

Answer: Option A

Explanation:

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3. 

An R-L circuit has an initial current of 5 A. In the s-domain equivalent circuit, the voltage source to take into account the initial current has a strength of

A. 5L volts
B. 5/L volts
C. 5L2 volts
D. 5/L2 volts

Answer: Option A

Explanation:

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4. 

A function f(t) = k is

A. stable
B. marginal stable
C. unstable
D. none

Answer: Option B

Explanation:

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5. 

Transient current in a loss free LC circuit when excited from an ac source is an __________ sine wave.

A. undamped
B. over damped
C. under damped
D. critically damped

Answer: Option C

Explanation:

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