GATE ECE 2003 | Question: 71

Question

A second-order system has the transfer function

$\frac{C(s)}{R(s)}=\frac{4}{s^{2}+4 s+4}$.

With $r(t)$ as the unit-step function, the response $c(t)$ of the system is represented by
 

• A. Fig. $(a)$
• B. Fig. $(b)$
• C. Fig. $(c)$
• D. Fig. $(d)$