Electronics and Communication Engineering - Networks Analysis and Synthesis

16.
An RL impedance function is to be synthesised in second Foster form. The proper function to be expanded is
Z(s)
sZ(s)
1/Z(s)
Z(s)/s
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
Ideally an attenuator pad should not change
voltage level
impedance level
power level
voltage, power or impedance level
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
If two networks are connected in series of individual Z parameter as Za and Zb then equivalent Z is
[Z] = [Za] + [Zb]
[Z] = [Za] [Zb]
[Z] = [Za]/[Zb]
[Z] = [Za] - [Zb]
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
The model of a system
is unique
depends on desired degree of accuracy
depends on the type of analysis
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
Q of a coil
  1. increases with Q increasing frequency
  2. varies linearly with frequency
  3. increase with increasing frequency because R increases at high frequency
  4. decrease after the peak frequency because R increases at H.F. the correct statements are
A, B
C, D
A, C
B, D
Answer: Option
Explanation:
No answer description is available. Let's discuss.