Q. 74 The block diagram of a closed loop control system is given by figure. The values of K and P such that the system has a damping ratio of 0.7 and an undamped natural frequency of 5 rad/sec, are respectively equal to
(A) 20 and 0.3
(B) 20 and 0.2
(C) 25 and 0.3
(D) 25 and 0.2
Answer:(D)
Explanation: