Q. Which of the following is the disadvantage of FM over AM
A) Larger band width requirement
B) Larger noise
C) Higher modulation power
D) Low efficiency
Explanation
(a) Frequency modulation requires much wider channel (7 to 15 times) as compared to AM
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.