railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Communication Systems Angle Modulation Frequency Modulation
In phase modulation, frequency deviation is
1
Inversely proportional to the square root of the modulating frequency
2
Inversely proportional to the modulating signal frequency
3
Directly proportional to the amplitude of the modulating signal
4
Independent of the modulating signal frequency