In unity feedback system is shown in the figure. What is the magnitude of K so that the system is under-damped?

In unity feedback system is shown in the figure. What is the magnitude

1.	In unity feedback system is shown in the figure. What is the magnitude of K so that the system is under-damped?
A.	K = 0
B.	\(K = \frac{{{a^2}}}{4}\)
C.	\(K < \frac{{{a^2}}}{4}\)
D.	\(K > \frac{{{a^2}}}{4}\)
Answer» E.

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In unity feedback system is shown in the figure. What is the magnitude of K so that the system is under-damped?

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