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JEE Main202124 Feb 2021Morning ShiftPhysicsCommunication SystemActual

An audio signal v m = 20 sin 2 π 1500 t amplitude modulates a carrier v c = 80 sin 2 π 100 , 000 t . The value of percent modulation is

Correct answer

0

Step-by-step solution

% modulation = A m A c × 100 % modulation = 20 80 × 100 % modulation = 25 % = 25

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