Assertion (A): The closed loop stability can be determined from the poles of an open loop system and the polar plot of the frequency response.
Reason (R): Unstable system has right half poles.
(a) Both A and R are true and R is correct explanation of A
(b) Both A and R are true and R is not correct Explanation of A
(c) A is True and R is false
(d) A is False and R is true
The question was posed to me in quiz.
My enquiry is from Compensation Techniques in section Digital Control Systems of Control Systems