Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 5 (Q.No. 7)
7.
Consider a control system shown in given figure. For slight variation in G, the ratio of open loop sensitivity to closed loop sensitivity will be given by
1 : (1 + GH)
1 : (1 + GH)- 1
1 : (1 - GH)
1 : (1 - GH)- 1
Answer: Option
Explanation:

Open loop sensitivity = 1

Closed loop sensitivity =

Hence ratio = 1 : (1 + GH) - 1.

Discussion:
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