Physics · 2022
JEE Main · 26 July 2022, Shift 2 · Q39
The maximum and minimum voltage of an amplitude modulated signal are 60 V and 20 V respectively. The percentage modulation index will be:
The maximum and minimum voltage of an amplitude modulated signal are $\displaystyle 60$ V and $\displaystyle 20$ V respectively. The percentage modulation index will be :
Official answer
(2)
$\displaystyle 50$%
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