Question

FM is better than AM WHY

Answer 1

Why FM is better than AM ?
FM has several advantages over AM . AM can develop problems when there is interference. This makes it hard to hear the radio program properly. Interference can be caused by a variety of factors. For example, sparks discharged when a car is started can interfere with an AM signal. Lightning and electrical appliances can also interfere with an AM signal. Background noise is another factor that changes the amplitude of the radio wave signal. This creates the random crackling noises called static.

FM waves, on the other hand, do not have a problem with interference because the background noises do not modify the radio wave frequency. In addition FM waves give better sound reproduction. With an FM broadcast, slight changes in amplitude don't matter at all -- since the audio signal is conveyed through changes in frequency, the FM receiver can just ignore changes in amplitude. The result: better sound reproduction.