Physics · 2022
JEE Main · 29 July 2022, Shift 1 · Q48
Find the modulation index of an AM wave having 8 V variation where maximum amplitude of the AM wave is 9 V.
Find the modulation index of an AM wave having $\displaystyle 8$ V variation where maximum amplitude of the AM wave is $\displaystyle 9$ V.
Official answer
(1)
$\displaystyle 0.8$
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