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The performance specifications for a unity feedback control system having an open-loop transfer function
G(s) = K s(s + 1)(s + 2)
are
(i) Velocity error coefficient Kv > 10 sec– 1
(ii) Stable closed-loop operation.
The value of K, satisfying the above specifications, is
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- K > 6
- 6 < K < 10
- K > 10
- none of these
Correct Option: D
Given : Kv > 10, then K > 20 sec– 1 .
