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Communication Systems

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
Match List – I with List – II

Choose the correct answer from...
JEE Main Physics Easy
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Q JEE MAIN 2023
Given below are two statement : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: EM waves used...
JEE Main Physics Medium
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Q JEE MAIN 2023
Match List I with List II of electromagnetic waves with corresponding wavelength range:Choose the correct answer...
JEE Main Physics Easy
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Q JEE MAIN 2023
The amplitude of $15 \sin (1000 \pi \mathrm{t})$ is modulated by $10 \sin (4 \pi \mathrm{t})$ signal. The amplitude modulated signal contains frequencies of
JEE Main Physics Easy
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Q JEE MAIN 2023
A transmitting antenna is kept on the surface of the earth. The minimum height of receiving antenna required to receive the signal in line of...
JEE Main Physics Easy
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Q JEE MAIN 2023
The height of transmitting antenna is 180 m and the height of the receiving antenna is 245 m. The maximum distance between them for satisfactory...
JEE Main Physics Medium
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Q JEE MAIN 2023
By what percentage will the transmission range of a TV tower be affected when the height of the tower is increased by 21% ?
JEE Main Physics Medium
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Q JEE MAIN 2023
If the height of transmitting and receiving antennas are 80 m each, the maximum line of sight distance will be : Given : Earth’s radius...
JEE Main Physics Easy
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