Electronics and Communication Engineering - Networks Analysis and Synthesis

36.
A low pass single pole filter has a the corner frequency and its phase shift are
1K rad/sec
40 kHz
4 kHz
40 x 103 rad/sec
Answer: Option
Explanation:

ωc = 0.04 x 106

ωc = 40 k rad/sec.


37.
If A = 3 + j1 and B = 4 + j3, A + B =
7 ∠45°
10 ∠45°
8.062 ∠29.7°
8.062 ∠73°
Answer: Option
Explanation:

A + B = 7 + j4 = 8.062∠29.7°


38.
When a constant voltage source and constant current source are in series, the current source is ineffective.
True
False
Answer: Option
Explanation:

The voltage source is ineffective.


39.
Identify which of the following is not a tree of the graph shown in figure
bcgh
defg
abfg
aegh
Answer: Option
Explanation:

It does not contain all the rodes.


40.
The response of a network is shown in figure. Which of following represents location of poles?
Answer: Option
Explanation:

Since response is unbound, poles are in right half plane.