Communication Systems – JEE Main Previous Year Questions (2015–2019)

All 4 JEE Main previous-year questions from Communication Systems (Physics), 2015–2019, taken from 4 papers. Practise them together in one test with the official marking and answer key, then review every answer.

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Communication Systems questions by paper

Paper	Questions
JEE Main 2019 8 Apr Shift 1	1
JEE Main 2018 Set B (offline)	1
JEE Main 2017 Set B (offline)	1
JEE Main 2015 Set B (offline)	1

Sample questions

JEE Main 2019 8 Apr Shift 1
The wavelength of the carrier waves in a modern optical fiber communication network is close to 1 1500 2 3 2400 4
JEE Main 2018 Set B (offline)
A telephonic communication service is working at carrier frequency of 10 Only 10 of it is utilized for transmission How many telephonic channels can be transmitted…
JEE Main 2017 Set B (offline)
In amplitude modulation sinusoidal carrier frequency used is denoted by and the signal frequency is denoted by The bandwidth Aw of the signal is such that Aw Which of the
JEE Main 2015 Set B (offline)
A signal of 5 frequency is amplitude modulated on a carrier wave of frequency 2 The frequencies of the resultant signal is are 1 2005 and 1995 2 2005 2000 and 1995 3…

Question text shown from the scanned paper; open the test to see each question exactly as printed.

Communication Systems – JEE Main Previous Year Questions (2015–2019)

Communication Systems questions by paper

Sample questions

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