Electronics and Communication Engineering - Networks Analysis and Synthesis

11.
A two port network is symmetrical if
z11 z12 - z12 z21 = 1
AD - BC = 1
h11 h22 - h12 h41 = 1
y11 y22 = y12 y21 = 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
In a varistor, as the voltage increases beyond a certain value, its resistance
rapidly increases
rapidly decreases
becomes negative, i.e., varistor goes into negative resistance region
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
Current through a charging capacitor exhibits
an exponential growth function
an exponential decay function
a step decay function
a linear decay function
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
A battery charger can drive a current of 5A with 1Ω resistance connected at its output. If it can charge 2 V battery at 7 A rate, its Thevenin's equivalent circuit will be
7.5 in series with 0.5 Ω resistance
1.25 V in series with 1.5 Ω resistance
7.5 V in parallel with 0.5 Ω resistance
12.5 V in parallel with 1.5 Ω resistance
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
For the given circuit, the current I is
2 A
5 A
7 A
8 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.