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0 votes
1.5k views
in Physics by (63.7k points)

An amplitude modulated wave is represented by, 

vAM = 4 (1 + 0.2 sin 314 t) sin (314 × 102 t)

Amplitude of the sidebands will be equal to, 

(1) 0.4 V 

(2) 0.8 V 

(3) 1.2 V

(4) 4 V

1 Answer

+1 vote
by (71.1k points)
selected by
 
Best answer

Correct option: (1) 0.4 V

Explanation: 

Instantaneous voltage of the amplitude modulated wave is represented by

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