Electronics and Communication Engineering - Networks Analysis and Synthesis

21.
In a series resonant circuit, the resonant frequency is
geometric mean of half power frequencies
arithmetic mean of half power frequencies
difference of half power frequencies
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
If a function Z(s) has a pole at infinity, then
the degrees of numerator and denominator are equal
the degree of numerator is one higher than that of denominator
the degree of denominator is one higher than that of numerator
the difference between the degrees of numerator and denominator is 0 or 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
For the wave shown in figure, the average value is
0.5 Vm
0.75 Vm
0.91 Vm
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
A circuit said to be lumped when physical dimensions of all the component are __________ .
greater compared with wavelength of electromagnetic signal
small compared with wavelength electromagnetic signal
negligible compared with wavelength of electromagnetic signal
equal compared with wavelength of electromagnetic signal
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.

Assertion (A): Q factor of a series resonant circuit is

Reason (R): High Q means better selectivity.

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.