In a feedback control system, phase margin (PM) is:
1. Directly proportional to ξ
2. Inversely proportional to ξ
3. Independent of ξ
4. Zero when ξ = 0
Which of the above statements are correct?
A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1 and 4
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Control Systems
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