JEE Main 2018PhysicsCommunication SystemEasyMCQ

JEE Main 2018 — Communication System Question with Solution

JEE Main 2018 (08 Apr)

Question

A telephonic communication service is working at a carrier frequency of 10 GHz. Only 10% of it is utilized for transmission. How many telephonic channels can be transmitted simultaneously if each channel requires a bandwidth of 5 kHz?

Choose an option

Show full solutionCorrect option: D
Correct answer
D2×105

Step-by-step explanation

Number of telephonic channels that can be transmitted simultaneously, 

=0.1×10×1095×103=2×105

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About this question

This is a previous-year question from JEE Main 2018, 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.