Electrical Engineering > GATE 2014 SET-3 > Stability Analysis
A single-input single-output feedback system has forward transfer function G(s) and feedback transfer function H(s). It is given that |G(s)H(s)|<1. Which of the following is true about the stability of the system?
A
The system is always stable
B
The system is stable if all zeros of G(s)H(s) are in left half of the s-plane
C
The system is stable if all poles of G(s)H(s) are in left half of the s-plane
D
It is not possible to say whether or not the system is stable from the information given

Correct : a

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