Electrical Engineering > GATE 2020 > Stability Analysis
Consider a negative unity feedback system with the forward path transfer function:
(s2 + s + 1) / (s3 + 2s2 + 2s + K)
where K is a positive real number. The value of K for which the system will have some of its poles on the imaginary axis is:
(s2 + s + 1) / (s3 + 2s2 + 2s + K)
where K is a positive real number. The value of K for which the system will have some of its poles on the imaginary axis is:
Correct : b
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