Electronics and Communication Engineering - Networks Analysis and Synthesis

21.
In a series RLC high Q circuit the current peaks at a frequency.
equal to the resonant frequency
greater than the resonant frequency
less than the resonant frequency
none
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.

Assertion (A): A complicated waveform can be replaced by sum or difference of two or more waveforms.

Reason (R): The method of superposition is applicable only to linear systems.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
The phase velocity v in a transmission line is
LC
C/L
L/C
1/LC
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
A circuit is fed by two sources of different frequency and magnitudes 100 ∠0° V and 50 ∠30°V. The current in a particular branch is 10 ∠20° A. If the magnitudes of the sources are changed to 200 ∠0° V and 100 ∠0° V, the current in that branch should be
20 ∠20° A
10 ∠20° A
14.14 ∠20° A
10 ∠- 20° A
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
In gases the flow of current is due to
positive ions only
electrons only
electrons, positive ions and negative ions
electrons and positive ions
Answer: Option
Explanation:
No answer description is available. Let's discuss.