An amplitude modulated wave is represented by,
vAM = 4 (1 + 0.2 sin 314 t) sin (314 × 102 t)
The bandwidth of the amplitude modulated wave is equal to,
(1) 50 Hz
(2) 100 Hz
(3) 314 Hz
(4) 314×102
Correct option: (2) 100 Hz
Explanation:
According to the expression,
Therefore, bandwidth 2fm = 100 Hz
