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1. |
The characteristic equation of a closed loop system is given by s4 + 6s3 + 11s2 + 6s + K = 0 Stable closed loop behaviour can be ensured when gain K is such that |
A. | 0 < K < 10 |
B. | K > 10 |
C. | K < |
D. | 0 < K 20 |
Answer» B. K > 10 | |