Electronics and Communication Engineering - Networks Analysis and Synthesis

6.
In a Hurwitz polynomial
all coefficients are non-negative
the coefficients may be positive or negative
all coefficients are negative
all coefficients are non-negative and all zeros should be either in left half plane or simple on the imaginary axis
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
For an RC admittance function
all poles and zeros are simple
all poles and zeros are simple and lie on negative real axis
all poles and zeros lie on imaginary axis
all poles and zeros lie on positive real axis
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
If resistance is 20 Ω and inductance is 2 H in a R-L series circuit, then time constant of this will be
0.001 s
0.1 s
10 s
100 s
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
The following table gives some Laplace transforms and the functions
f(t)   F(s)
1.δ(t)   s
2. u(t)   1/s
3. tu(t)   2/s2
4. t2u(t)   2s3
Of these the correctly matched pairs are
2 and 4
1 and 4
2 and 4
1 and 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
In series as well as parallel resonant circuits, increasing the value of resistance would lead to
decrease in bandwidth of both the circuits
increase in bandwidth of both the circuits
decrease in bandwidth in series circuit and increase in parallel circuit
increase in bandwidth in series circuit and decrease in parallel circuit
Answer: Option
Explanation:
No answer description is available. Let's discuss.