Consider a casual second-order system will be transfer functionG(s)=11 – InterviewSolution

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1.	Consider a casual second-order system will be transfer functionG(s)=11+2s+s2with a unit-step R(s)=1s as an input. Let C(s) be the corresponding output. The time taken by the system output c(t) to reach 94% of its steady-state value limt→∞c(t), rounded off to two decimal places, is
Answer» Consider a casual second-order system will be transfer function $G (s) = \frac{1}{1 + 2 s + s^{2}}$ with a unit-step $R (s) = \frac{1}{s}$ as an input. Let $C (s)$ be the corresponding output. The time taken by the system output $c (t)$ to reach $94 %$ of its steady-state value $lim t \to \infty c (t)$ , rounded off to two decimal places, is

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