Network Synthesis & Driving Point Impedance - Topicwise GATE Questions on Network Theory (from 2003)

2005
1. The first and Last critical frequency of an RC driving point impedance function must respectively be
a) a zero and a pole
b) a zero and a zero
c) a pole and a pole
d) a pole and a zero

Answer:D

Solution : https://www.youtube.com/watch?v=noq2x3cDycY


2006
2. The first and the last critical frequencies (singularities) of a driving point impedance function of a passive network having two kinds of elements, are a pole and a zero respectively. The above property will be satisfied by
a) RL network only
b) RC network only
c) LC network only
d) RC as well as RL networks

Answer:B

Solution : https://www.youtube.com/watch?v=L4AUTybSCjk

3. A negative resistance R_neg is connected to a passive network N having driving point impedance Z₁(s) as shown below. For Z₂(s) to be positive real,

Answer:A

Solution : https://www.youtube.com/watch?v=ESM5mIZBEeU



2008
4. The driving point impedance of the following network is given as shown. The component values are

Answer:D

Solution : https://www.youtube.com/watch?v=CI2Na_stYRg