The open loop control transfer function of a unity feedback system is – McqOptions

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1.	The open loop control transfer function of a unity feedback system is given by :G(s) =K/(s+2)(s+4)(s^2+6s+25)Which is the value of K which causes sustained oscillations in the closed loop system?
A.	590
B.	790
C.	990
D.	1190
Answer» B. 790

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