GATE Chemical 2014 | Question: 10

Question

A unit $IMPLUSE$ response of a first order system with time constant $\tau$ and steady state gain $K_{p}$ is given by 

• A.  $\frac{1}{K_{p}\tau }e^{t/\tau }$
• B. $K_{p}e^{-t/\tau}$
• C. $\tau K_{p}e^{-t/\tau }$
• D. $\frac{K_{p}}{\tau }e^{-t/\tau }$