In polar plots if the critical point ‘-1+j0’ is enclosed then the system is --------

A. stable

B. unstable

C. marginally stable

D. critical stable

## Show Answer

Answer: B

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In polar plots if the critical point ‘-1+j0’ is enclosed then the system is --------

A. stable

B. unstable

C. marginally stable

D. critical stable

Answer: B

Share your understanding of this question with the correct explanation.