Electronics and Communication Engineering  Networks Analysis and Synthesis
Exercise :: Networks Analysis and Synthesis  Section 22
1. 
Consider the following expression for the driving point impedance  It represent on LC circuit
 It represent on RLC circuit
 It has poles lying on the jω axis
 It has a pole at infinite frequency and a zero at zero frequency.
Which one fo the statement given above are correct? 
A. 
2 and 4  B. 
1 and 3  C. 
1 and 4  D. 
2 and 3 
Answer: Option B
Explanation:

2. 
Two port network is said to be symmetrical if 
A. 
Δ_{h} = 1  B. 
Z_{11} = Z_{2}  C. 
A = Δ  D. 
all 
Answer: Option D
Explanation:

3. 
For a series resonant circuit at low frequency impedance is __________ and at high frequency circuit impedance is __________ . 
A. 
capacitive, inductive  B. 
inductive, capacitive  C. 
resistive, inductive  D. 
capacitive, resistive 
Answer: Option A
Explanation:

4. 
If Y(s) = 1 + s, the network has 
A. 
1 Ω resistor and 1 F capacitor in series  B. 
1 Ω resistor and 1 F capacitor in parallel  C. 
1 Ω resistor and 1 H inductor in series  D. 
1 Ω resistor and 1 H inductor in parallel 
Answer: Option B
Explanation:

5. 
In a Hurwitz polynomial 
A. 
all coefficients are nonnegative  B. 
both the odd and even parts have roots on jω axis  C. 
the continued fraction expansion is the ratio of odd to even parts of a Hurwitz polynomial yields all positive quotient terms  D. 
all of the above 
Answer: Option D
Explanation:
