The open-loop transfer function of a unity feedback control system isG(s) H(s) = 30s(s + 1)(s + T)where T is a variable parameter. The closed-loop system will be stable for all values of

The open-loop transfer function of a unity feedback control system isG

1.	The open-loop transfer function of a unity feedback control system isG(s) H(s) = 30s(s + 1)(s + T)where T is a variable parameter. The closed-loop system will be stable for all values of
A.	T > 0
B.	0 < T < 3
C.	T > 5
D.	3 < T < 4
Answer» D. 3 < T < 4

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The open-loop transfer function of a unity feedback control system isG(s) H(s) = 30s(s + 1)(s + T)where T is a variable parameter. The closed-loop system will be stable for all values of

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