engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Communication Systems Amplitude Modulation
What will be the modulation index of an amplitude modulator if the carrier signal has an amplitude of 100 V and frequency of 1 MHz whereas the modulating signal has an amplitude of 20 V and frequency of 10 kHz?
1
0.01
2
0.1
3
0.2
4
5