The polar diagram of conditionally stable system for open loop gain k = 1 is shown in the figure. The open loop transfer function of the system is known to be stable. The closed loop system is stable for
A. $$K < 5{\text{ and }}\frac{1}{2} < K < \frac{1}{8}$$
B. $$K < \frac{1}{8}{\text{ and }}\frac{1}{2} < K < 5$$
C. $$K < \frac{1}{8}{\text{ and }}5 < K$$
D. $$K < \frac{1}{8}{\text{ and }}K < 5$$
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Control Systems
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