Q190
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
AnswerB.
k > 10
C.
-∞ ≤ k < ∞
D.
0 < k ≤ ∞
Answer: Option A
Solution
Answer: Option A
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