ECE - Questions and solutions set-1

Electronics and communication Engineering Questions and solutions set-1
Question:-
Option (A)
Both the student and the teacher are right
Option (B)
Both the student and the teacher are wrong
Option (C)
Both the student is wrong but the teacher is right
Option (D)
The student is right but the teacher is wrong
Correct Option:
B
Question:-
Option (A)
(1/2)2
Option (B)
10C2(1/2)2
Option (C)
(1/2)10
Option (D)
10C2(1/2)10
Correct Option:
C
Question:-
Option (A)
f has frequency components at 0 and 1/2pHz
Option (B)
f has frequency components at 0 and 1/pHz
Option (C)
f has frequency components at 1/2pand 1/pHz
Option (D)
f has frequency components at 0, 1/2pand 1/pHz
Correct Option:
B