JEE Main 2022 — Communication System Question with Solution
JEE Main 2022 (26 Jul Shift 2)
Question
The maximum and minimum voltage of an amplitude modulated signal are and respectively. The percentage modulation index will be
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
If amplitude of carrier wave is and amplitude of message wave is ,
and
Modulation index,
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This is a previous-year question from JEE Main 2022, covering the Communication System chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.