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In feedback control system with G left( s right) = frac...

This question belongs to Electronics And Communications Engineering Control Systems
Control Systems
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In feedback control system with $$G\left( s \right) = \frac{{16}}{{s\left( {s + 4} \right)}}$$   and H(s) = 1 + Ks, the damping ratio of 0.6 will be achieved for K equal to

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Correct Answer: Option D
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