In the standard form of closed loop transfer function of second order system is given by C(s)/R(s)= ω2n /s2+2ςωns+ω2n The damping ratio ζ = 0, then the system is

In the standard form of closed loop transfer function of second order

1.	In the standard form of closed loop transfer function of second order system is given by C(s)/R(s)= ω2n /s2+2ςωns+ω2n The damping ratio ζ = 0, then the system is
A.	undamped system
B.	under damped system
C.	critically damped system
D.	over damped system
Answer» B. under damped system

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In the standard form of closed loop transfer function of second order system is given by C(s)/R(s)= ω2n /s2+2ςωns+ω2n The damping ratio ζ = 0, then the system is

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