Transfer Function Problem 1.4

Ask

The unit step response of a system starting from rest is given by: $c(t) = 1-e^{-2t}$, t &gt 0 & t=0.The transfer function of system

(a)1/s

(b)1/(2+s)

(c)2/(2+s)

                   (d)0

Answer is ( c )

Concept

Type Reasoning here