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Audio signal cannot be transmitted becau...

Audio signal cannot be transmitted because

A

the signal has more noise

B

the signal can be amplified for long distance communication

C

energy of audio signal gets lost due to attenuation

D

the transmitting antenna length is very large and impracticable

Text Solution

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Energy of audio signal gets absorbed by the earth due to attenuation. Audio signals can not be transmitted over long distance. Also the transmitting antenna length is very large and impracticable. The signal can be amplified but cannot be trasmitted over long distances due to absorption of energy of energy by ground (being of low frequency)
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