engineering recuitment BHEL Engineer Trainee Mock Test 2025 Communication Systems Amplitude Modulation Conventional Amplitude Modulation
What is the bandwidth (in kHz) of the modulated signal, if a carrier is amplitude modulated by 4 signals of frequency 15 kHz, 25 kHz, 40 kHz and 29 kHz?
1
40
2
50
3
80
4
100