1.
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

2.
Which among the following represents the precise condition of reciprocity for transmission parameters?

3.
If the two ports are connected in cascade configuration, then which arithmetic operation should be performed between the individual transmission parameters in order to determine overall transmission parameters?