The open-loop transfer function with unity feedback are given below for different systems 1. G(s) = 2 s + 2 2. G(s) = 2 s(s + 2)3. G(s) = 2 s2(s + 2) 4. G(s) = 2(s + 1) s(s + 2) Among these systems, the unstable system is

The open-loop transfer function with unity feedback are given below fo

1.	The open-loop transfer function with unity feedback are given below for different systems 1. G(s) = 2 s + 2 2. G(s) = 2 s(s + 2)3. G(s) = 2 s2(s + 2) 4. G(s) = 2(s + 1) s(s + 2) Among these systems, the unstable system is
A.	1
B.	2
C.	3
D.	4
Answer» D. 4

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The open-loop transfer function with unity feedback are given below for different systems 1. G(s) = 2 s + 2 2. G(s) = 2 s(s + 2)3. G(s) = 2 s2(s + 2) 4. G(s) = 2(s + 1) s(s + 2) Among these systems, the unstable system is

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