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Communication Systems

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
Match List – I with List –II Choose the correct answer from the options given...
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Q JEE MAIN 2022
The maximum and minimum voltage of an amplitude modulated signal are 60 V and 20 V respectively. The percentage modulation index will be :
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Q JEE MAIN 2022
A radio can tune to any station in 6 MHz to 10 MHz band. the value of corresponding wavelength bandwidth will be :
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Q JEE MAIN 2022
We do not transmit low frequency signal to long distances because
(a) The size of the antenna should be comparable to signal wavelength which is...
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Q JEE MAIN 2022
The TV transmission tower at a particular station has a height of 125 m. For dubling the coverage of its range, the height of the...
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Q JEE MAIN 2022
An antenna is placed in a dielectric medium of dielectric constant 6.25. If the maximum size of that antenna is 5.0 mm. it can radiate...
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Q JEE-MAIN 2022
Only $2 \%$ of the optical source frequency is the available channel bandwidth for an optical communicating system operating at 1000 nm . If an...
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Q JEE MAIN 2022
Match List-I with List-II Choose the correct answer from the options given below :
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Q JEE MAIN 2022
Choose the correct statement for amplitude modulation:
JEE Main Physics Easy
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Q JEE MAIN 2022
A baseband signal of 3.5 MHz frequency is modulated with a carrier signal of 3.5 GHz frequency using amplitude modulation method. What should be the...
JEE Main Physics Easy
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