GATE Electrical Engineering (EE) 2014 Shift 2 Solved Paper

Question : 54 of 65

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A system with the open loop transfer function

G (s) = \;{K}/{s\;(s\;+\;2)\;\;(s^{2} + 2s + 2) }

is connected in a negative feedback configuration with a feedback gain of unity. For the closed loop system to be marginally stable, the value of K is ______

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