Communication Systems - Engineering

Q1:

Consider the following statements
  1. The amplitude of an FM wave is constant
  2. FM is more immune to noise than AM
  3. FM broadcasts operate in upper VHF and UHF frequency ranges
  4. FM transmitting and receiving equipments are simpler as compared to AM transmitting and receiving equipments
Which of the above are correct?

A 1, 2, 3, 4

B 1, 2, 3

C 2, 3, 4

D 1, 3, 4

ANS:B - 1, 2, 3

FM equipments are complex as compared to AM equipments.