Physics, asked by taranirudrapaul42666, 1 day ago

why modulation is nessesary

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Answered by devanshmukul

0

Answer:

The signals within 20 Hz to 20 kHz frequency range can travel only a few distances. To send the message signal, the length of the antenna should be a quarter wavelength of the used frequency. Thus, modulation is required to increase the frequency of the message signal and to enhance its strength to reach the receiver.

Explanation:

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