Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is
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Answer :

Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is 16

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