In closed loop control system, what is the sensitivity of the gain of the overall system, M to the variation in G?

A)
1/1+GH
B)
1/1+G
C)
G/1+G
D)
G/1GH

Correct Answer : Option (A) :   1/1+GH

Explanation : The sensitivity of the control system is defined as the change in the outputs to the change in the input and senstivity of the gain of the overall system, M to the variation in G is 1/1+GH.

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A)
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B)
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