An amplitude modulated wave is represented by,
vAM = 4 (1 + 0.2 sin 314 t) sin (314 × 102t)
The minimum and the maximum amplitude of the amplitude modulated wave will be respectively equal to,
(1) 0, 1 units
(2) 0, 4 units
(3) 3.2 units and 4.8 units
(4) 1.6 units and 8 units