How do you describe a stable system informally? - Signals and Systems

Electronics and Communication Engineering (ECE) : Signals and Systems - Quiz(MCQ)

How do you describe a stable system informally?

A)

When large inputs lead to diverging outputs

B)

When small inputs lead to responses that diverge

C)

All inputs lead to outputs that converge

D)

When small inputs lead to responses that do not diverge

Correct Answer : Option (D) : When small inputs lead to responses that do not diverge

Explanation : When small inputs lead to output responses that do not tend to infinity. The output of such systems does not diverge if the input does not diverge.

Recently Updated in Signals and Systems Questions

For a Gaussian process, auto-correlation sequence also implies that

A)

ergodic process

B)

statistical dependence

C)

statistical independence

D)

All of the above

Correct Answer : statistical dependence

Consider the following statements

1. If ensemble and time averages of a random process are identical, the process is ergodic.
2. If ensemble and time average of a random process are not identical, the process is ergodic.
3. An ergodic process is stationary.
4. A stationary process is necessarily ergodic.

Which of the above statements are correct?

A)

1 only

B)

1 and 3 only

C)

1 and 4 only

D)

1, 3 and 4 only

Correct Answer : 1 and 3 only

In RLC circuits the state variables generally selected are

A)

voltages across capacitors

B)

currents through resistances and capacitances

C)

currents through inductances and voltages across capacitances

D)

currents through resistances and voltages across capacitors

Correct Answer : currents through inductances and voltages across capacitances

ECE MCQ's

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