Electronics and Communication Engineering - Networks Analysis and Synthesis

26.
In a loss-free R-L-C circuit the transient current is
oscillating
square wave
sinusoidal
non-oscillating
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
If F(s) = , then f(t) =
cos ω0t
sin ω0t
eat cos ω0t
e-at cos ω0t
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
In the network of figure it is desired that maximum power be supplied to Z2. The values of Z1 and Z2 are fixed. However the transformation ratio 'a' of transformer can be changed. The value of 'a' for maximum power transfer is
|Z2|/|Z1|
[|Z2|/|Z1|]0.5
[|Z2|/|Z1|]2
[|Z2|/|Z1|]0.75
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
The magnitude response of a normalised Butterworth low pass filter is
linear starting with value of unity at zero frequency and 0.707 at cut off frequency
non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
linear upto cut off frequency and nonlinear thereafter
nonlinear upto cut off frequency and linear thereafter
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
In steady state condition inductor behave as
open circuit
short circuit
current source
voltage source
Answer: Option
Explanation:
No answer description is available. Let's discuss.