0 votes 0 votes For a second-order system with the closed-loop transfer function \[T(s)=\frac{9}{s^{2}+4 s+9}\] the settling time for $2$ - percent band, in seconds, is $1.5$ $2.0$ $3.0$ $4.0$ Others gate1999-ec + – admin asked Sep 29, 2022 • edited Dec 2, 2023 by makhdoom ghaya admin 46.4k points 114 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.