DAPZOI
Home Ask MCQ Quiz Contact Us Login

Dapzoi Asked :

25-09-2021 Signals & Systems

Q. AM radio signal is an example for __________

A. y (t) = a x (t)
B. y (t) = x1 (t) + x2 (t)
C. y (t) = x1 (t) * x2 (t)
D. y (t) = -x(t)


Submit Your Answer

* You must be logged in to add answer.



Dapzoi Verified
Commented on 2021-09-25 13:13:21 (IST)
Answer: C

Explanation: AM radio signal is an example for y (t) = x1 (t) * x2 (t) where, x1 (t) consists of an audio signal plus a dc component and x2 (t) is a sinusoidal signal called carrier wave.