Oscillation reasons for high amplitude in time domain

Q.  Which among the below mentioned cases are responsible for generating the oscillations with increasing amplitude in time domain response of system function?

A. Complex poles with positive real part
B. Complex poles with negative real part
C. Repeated poles on imaginary axis
D. Repeated poles on real axis
- Published on 07 Oct 15

a. A & C
b. B & D
c. B & C
d. A & D

ANSWER: A & C

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