railway RRB JE (CBT I + CBT II) Mock Test 2024 Control Systems Stability Analysis Routh-Hurwitz Stability Criteria
The system described the equation
F(s) = S4 + 2S3 + 6S + K According to Routh-Hurwitz's criteria, is
1
Unstable for all value of K
2
Stable if K ≥ 0
3
Stable if K < 0
4
Stable for all values of K