Q230
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
AnswerAnswer: Option D
Solution
Answer: Option D
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