The characteristic equation of a closed loop system is given by s4 + 6s3 + 11s2 + 6s + k = 0
Stable closed loop behavior can be ensured when gain k is such that
A. 0 < k < 10
B. k > 10
C. -∞ ≤ k < ∞
D. 0 < k ≤ ∞
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Control Systems
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