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← JEE Main 2022 · 30 Jun · Shift 1
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JEE Main 2022 · 30 Jun · Shift 1, Physics question 49

A speech signal given by 11sin⁡(2200πt)11\sin(2200\pi t)V is used for amplitude modulation with a carrier signal given by 44sin⁡(6600πt)44\sin(6600\pi t)V. The minimum amplitude of modulated wave will be :

Choose one option
Answer and worked solution

Official answer: A

Minimum amplitude Ac−Am=44−11=33A_c-A_m=44-11=33 V.

(A)

Topics:Modulation
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