railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Control Systems Time Response Analysis
A second order system has natural frequency 3rad/sec and unity damping ratio. Identify its transfer function.
1
\(\frac{1}{{{s^2} + 3s + 9}}\)
2
\(\frac{9}{{{s^2} + 2s + 9}}\)
3
\(\frac{9}{{{s^2} + 6s + 9}}\)
4
\(\frac{3}{{{s^2} + 3s + 3}}\)