Q. 55 The Nyquist plot of 
for a closed loop control system, passes through (- 1, j0) point in the GH plane. The gain margin of the system in dB is equal to
(A) infinite
(B) greater than zero
(C) less than zero
(D) zero
Answer: (D).
Explanation:
Q. 55 The Nyquist plot of for a closed loop control system, passes through (- 1, j0) point in the GH plane. The gain margin of the system in dB is equal to
(A) infinite
(B) greater than zero
(C) less than zero
(D) zero
Answer: (D).
Explanation:
