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JEE MAIN 2021
24-02-21 S1
Question
An audio signal $v_m=20 \sin 2 \pi(1500 \mathrm{t})$ amplitude modulates a carrier $v_c=80 \sin 2 \pi(100,000 \mathrm{t})$. The value of percent modulation is $\_\_\_\_$ .
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