Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 General Knowledge Science Technology and Inventions
What is not true about FM (Frequency Modulation) radio waves?
1
Frequency range of Frequency Modulation is lower than that of Amplitude Modulation
2
Amplitude and phase do not change in it
3
It was invented by Edwin Armstrong
4
Its bandwidth is higher than that of Amplitude Modulation