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Time Domain Analysis – 1 – 3

11. For a stable second –order underdamped system, the poles are :

(a) Purely imaginary
(b) complex conjugate of each other
(c) real and unequal
(d) real and unequal

ANSWER

EXPLANATION

12. For undamped systems, the damping ratio is :

(a) ξ=0
(b) ξ=1
(c) ξ<1
(d) 
ξ>1

ANSWER

EXPLANATION

13. The system’s impulse response is sometimes referred to as the :

(a) weighting function of the system
(b) transfer function of the system
(c) transient response of the system
(d) steady-state response of the system

ANSWER

EXPLANATION

14. The transfer function is defined for :

(a) linear time –invariant systems
(b) linear time –varying systems
(c) nonlinear systems
(d) 
none of these

ANSWER

EXPLANATION

15. The nature of the transient response of a system is dependent :

(a) only on system poles
(b) only on the inputs applied
(c) both on the system poles and the applied inputs
(d) none of these

ANSWER

EXPLANATION

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