Physics · 2019
JEE Main · 12 January 2019, Shift 1 · Q28
A 100 V carrier wave is made to vary between 160 V and 40 V by a modulating signal. What is the modulation index?
A $\displaystyle 100$ V carrier wave is made to vary between $\displaystyle 160$ V and $\displaystyle 40$ V by a modulating signal. What is the modulation index ?
Official answer
(2)
$\displaystyle 0.6$
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.