For the unity feedback control system shown in the figure, the open-loop transfer function G(s) is given as\({\rm{G}}\left( {\rm{s}} \right) = \frac{2}{{{\rm{s}}\left( {{\rm{s}} + 1} \right)}}\)The steady-state error ess due to a unit step input is

For the unity feedback control system shown in the figure, the open-lo

1.	For the unity feedback control system shown in the figure, the open-loop transfer function G(s) is given as\({\rm{G}}\left( {\rm{s}} \right) = \frac{2}{{{\rm{s}}\left( {{\rm{s}} + 1} \right)}}\)The steady-state error ess due to a unit step input is
A.	0
B.	0.5
C.	1
D.	∞
Answer» B. 0.5