Signals and systems electrical engineering miscellaneous
- A periodic triangular wave is shown in the figure. Its Fourier components will consist only of
-
View Hint View Answer Discuss in Forum
Only sine functions, as it has the odd symmetry.
Correct Option: B
Only sine functions, as it has the odd symmetry.
- The Fourier series representation of a periodic current is
[2 + 6 √2 cos ωt + √48sin 2ωt]A.
The effective value of the current is
-
View Hint View Answer Discuss in Forum
NA
Correct Option: B
NA
- The period of the function cos π/4 (t– 1) is
-
View Hint View Answer Discuss in Forum
2π = π , T 4
⇒ T = 8 secCorrect Option: B
2π = π , T 4
⇒ T = 8 sec
- A linear system has the transfer functi on
H(jω) = 1 (jω + 1)
When it is subjected to an input white noise process with a constant spectral density A, the spectral density of the output will be
-
View Hint View Answer Discuss in Forum
NA
Correct Option: B
NA
- The aver age value of t he del ayed full-wave rectified sine wave as shown in the given figure, is
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
NA