Q. The effect of addition of zero to the open loop transfer function is

A
pulling the root locus to the right and to slow down the settling of response
B
pulling the root locus to the left and to slow down the setting of response
C
pulling the root locus to the left and to speed up the setting of response
D
pulling the root locus to the right and to speed up the setting of response
Solution:

The effect of addition of zero to the open loop transfer function is pulling the root locus to the left and to speed up the setting of response

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