The root locus of a unity feedback system is shown in the

Home » Control Systems » Control systems miscellaneous » Question

The root locus of a unity feedback system is shown in the above figure. The open-loop transfer function is given by—

1. K
  s (s + 1) (s + 2)
2. K(s + 1)
  s (s + 2)
3. K(s + 2)
  s (s + 1)
4. Ks
  (s + 1)(s + 2)

Correct Option: C

Refer synopsis.