The gain margin for the system with open loop transfer function G(s) H(s) = G(s) =2(1+s) / s2 is
A. 8
B. 0
C. 1
D. -8
Answer:B
The gain margin for the system with open loop transfer function G(s) H(s) = G(s) =2(1+s) / s2 is
A. 8 B. 0 C. 1 D. -8
Explanation: Gain margin of a system is calculated at the phase cross over frequency and expressed in decibels.