IndiaBIX

Electronics and Communication Engineering - Signals and Systems

Exercise : Signals and Systems - Section 9
21.
The region of converage of z-transform of sequence must be
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
If a function f(t) is an odd, function, its Fourier series
contains only sine terms
contains only cosine terms
contains a constant and sine terms
contains a constant and cosine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
cos(nω1t) =
0.5 (ejnω1t + e-jnω1t)
0.05
(ejnω1t + e-jnω1t)
(ejnω1t - e-jnω1t)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Fourier transform of e-a|t| is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.

Assertion (A): The wave shown in the given figure does not contain the dc component and even harmonics

Reason (R): If f(- t) = f(t) the wave has only cosine terms.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers