It is amount of additional phase lag at the gain cross over frequency required to bring the system to the verge of instability

It is always positive for stable feedback systems

It is calculated at gain cross over frequency

Phase margin is: – McqOptions

1.	Phase margin is:
A.	It is amount of additional phase lag at the gain cross over frequency required to bring the system to the verge of instability
B.	It is always positive for stable feedback systems
C.	It is calculated at gain cross over frequency
D.	All of the mentioned
Answer» E.

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