Question

Assertion (A): If minimum phase system has a gain margin of 8 dB and phase margin of 21°, the system is stable.

Reason (R): For a minimum phase system both GM and PM must be positive for the system to be stable.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is correct but R is wrong

d.

R is correct but A is wrong

Answer: (a).Both A and R are correct and R is correct explanation of A

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Q. Assertion (A): If minimum phase system has a gain margin of 8 dB and phase margin of 21°, the system is stable. Reason (R): For a minimum phase system both GM and PM must be...

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