Electronics and Communication Engineering - Networks Analysis and Synthesis

31.

Assertion (A): When capacitor is fed by a dc voltage given a capacitor behaves as short circuit at t = 0 and open circuit at f = ∞.

Reason (R): The impedance of a capacitor is

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.

32.
  1. P(s) = s4 + s3 + 2s2 + 4s + 3
  2. Q(s) = s4 + 2s3 + s
Which one of the following statements in correct for above P(s) and Q(s) polynomials?
Both P(s) and Q(s) are Hurwitz
Both P(s) and Q(s) are non-Hurwitz
P(s) is Hurwitz but Q(s) is non-Hurwitz
P(s) is non-Hurwitz but Q(s) is Hurwitz
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
The material used for fuse must have
low melting point and low specific resistance
low melting point and high specific resistance
high melting point and low specific resistance
none
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
The function δ (t - b) is a
unit impulse
unit step
unit doublet
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
The circuit in figure is
Cauer I form
Foster I form
Cauer II form
Foster II form
Answer: Option
Explanation:
No answer description is available. Let's discuss.