cheyenneperuchi
contestada

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. Which of the following best describes how such a telephone is able to transmit and receive information?
A. The cellular telephone transmits, receives, and encodes information using only sound waves.
B. The cellular telephone transmits, receives, and encodes information using only electromagnetic waves.
C. The cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound.
D. The cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.

Respuesta :

As we know that in cellular phone all the signals are transmitted by antenna in the form of electromagnetic waves

All these electromagnetic waves are transmitted through the phones and then received as a signal to the receiver of another phone

These signals are then processed and converted into sound which is produced by the phone

So here correct answer will be

C. The cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound.

Answer:

C

Explanation:

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