GATE Electronics and Communications (EC) 2011 Solved Paper

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Question : 14 of 65

Marks: +1, -0

The root locus plot for a system is given below. The open loop transfer function corresponding to this plot is given by(double pole at -3)

$G (s) H (s) = k\;{s\;(s\;+\;1)\;}/{\;(s\;+\;2)\;\;(s\;+\;3)\;}$
$G (s) H (s) = k\;{\;(s\;+\;1)\;}/{s\;(s\;+\;2)\;\;(s\;+\;3)\;^{2}}$
$G (s) H (s) = k\;{1}/{s\;(s−1)\;\;(s\;+\;2)\;\;(s\;+\;3)\;}$
$G (s) H (s) = k\;{\;(s\;+\;1)\;}/{s\;(s\;+\;2)\;\;(s\;+\;3)\;}$

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