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electronics and communication engineering automatic control systems
1. 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): A is correct but R is wrong
(B): Both A and R are correct and R is correct explanation of A
(C): Both A and R are correct but R is not correct explanation of A
(D): R is correct but A is wrong
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