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In a feedback control system phase margin (PM) is 1 Directly...

This question belongs to Electronics And Communications Engineering Control Systems
Control Systems
?

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?

Answer & Solution
Correct Answer: Option D
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