A minimum-phase system with no zeros has a phase angle of 270 at gain crossover frequency. The system is

A minimum-phase system with no zeros has a phase angle of 270 at ga

1.	A minimum-phase system with no zeros has a phase angle of 270 at gain crossover frequency. The system is
A.	stable
B.	unstable
C.	marginally stable
D.	conditionally stable
Answer» C. marginally stable

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A minimum-phase system with no zeros has a phase angle of 270 at gain crossover frequency. The system is

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