[Solved] The main objective of drawing root locus plot is :

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Q.	The main objective of drawing root locus plot is :
A.	to obtain a clear picture about the open loop poles and zeroes of the system
B.	to obtain a clear picture about the transient response of feedback system for various values of open loop gain k
C.	to determine sufficient condition for the value of ‘k’ that will make the feedback system unstable
D.	both b and c
Answer» D. both b and c
Explanation: the main objective of drawing root locus plot is to obtain a clear picture about the transient response of feedback system for various values of open loop gain k and to determine sufficient condition for the value of ‘k’ that will make the feedback system unstable.

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