Consider a feedback system with gain margin of about 30. At what point does Nyquist plot crosses negative real axis?
A. -3
B. -0.3
C. -30
D. -0.03
Answer:B
Consider a feedback system with gain margin of about 30. At what point does Nyquist plot crosses negative real axis?
A. -3 B. -0.3 C. -30 D. -0.03