Physics · 2021
JEE Main · 25 July 2021, Shift 2 · Q30
A message signal of frequency 20 kHz and peak voltage of 20 volt is used to modulate a carrier wave of frequency 1 MHz and peak voltage of 20 volt.…
A message signal of frequency $\displaystyle 20$ kHz and peak voltage of $\displaystyle 20$ volt is used to modulate a carrier wave of frequency $\displaystyle 1$ MHz and peak voltage of $\displaystyle 20$ volt. The modulation index will be
\_\_\_\_.
Official answer
1
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.