System Response MCQs

Practice System Response MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Signals & SystemsSystem Response

A causal first-order system has H(s)=5/(s+5). Its unit-step response is?

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Correct Answer: A. (1-e^(-5t))u(t)

Explanation: For a unit step X(s)=1/s, Y(s)=5/[s(s+5)]=1/s-1/(s+5), giving y(t)=(1-e^(-5t))u(t).

Reference: Standard signals and systems: system response