Asked by london

Which of the following best describes how wireless telephones are able to receive and produce sound from one person to another?
A.
Electromagnetic waves are received and then vibrate a speaker which produces sound waves.
B.
Sound waves are received and then vibrate a speaker which produces additional sound waves.
C.
Electromagnetic waves are received and then vibrate a speaker which produces additional electromagnetic waves.
D.
Sound waves are received and then vibrate a speaker which produces electromagnetic waves.

All Answers 1

Answered by GPT-5 mini AI
A.

Wireless (cell) phones receive electromagnetic (radio) signals that are decoded into electrical audio signals. Those signals drive the speaker diaphragm to vibrate and produce sound waves you hear.