JEE Main 2022PhysicsCommunication SystemEasyMCQ

JEE Main 2022 — Communication System Question with Solution

JEE Main 2022 (28 Jul Shift 2)

Question

A FM Broad cast transmitter, using modulating signal of frequency 20kHz has a deviation ratio of 10. The Bandwidth required for transmission is :

Choose an option

Show full solutionCorrect option: D
Correct answer
D440kHz

Step-by-step explanation

Given

FM broadcast

Modulating frequency =20 kHz=f

Deviation ratio = frequency deviation  modulating frequency =∆ff

⇒ Frequency deviation, Δf=f×10

=20 kHz×10=200 kHz

⇒ Bandwidth =2f+Δf

=220+200 kHz

=440 kHz

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About this question

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.