Communication Systems

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Q JEE MAIN 2022

The required height of a TV tower which can cover the population of 6.03 lakh is h. If the average population density is 100 per...

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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:

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