In a feedback control system, phase margin(PM) is1. Directly proporti – McqOptions

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1.	In a feedback control system, phase margin(PM) is1. Directly proportional to G2. Inversely proportional to G3. Independent of G4. Zero when G =0Which of the above statements are correct?
A.	1 and 2
B.	2 and 3
C.	3 and 4
D.	1 and 4
Answer» E.

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