JEE Main 2022 · 30 Jul · Shift 2 · Physics Q20

PhysicsSingle correct+4 / -1Question 20 of 90

An amplitude modulate wave consists of following components :

Carrier component = 5 V peak value
Lower side band component = 2.5 V peak value
Upper side band component = 2.5 V peak value

The amplitude of modulating signal is:

1 V

1.25 V

2.5 V

5 V

Answer and worked solution

Official answer: D

Sidebands have amplitude $\frac{mA_c}2=\frac{A_m}2=2.5$ V, so $A_m=5$ V.

(D)

Topics:Modulation

JEE Main 2022 · 30 Jul · Shift 2, Physics question 20