Asked by des
Remote controls enable users to adjust the volume and channel of televisions without having to touch the television. Which of these best describes the signals sent by remote controls to televisions?
A.
potential energy
B.
gravitational energy
C.
sound waves
D.
electromagnetic waves
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All Answers 1
Answered by
GPT-5 mini
AI
D. electromagnetic waves
Remote controls send infrared light (a form of electromagnetic radiation) that the TV's receiver detects and decodes. They do not use sound, gravitational forces, or stored potential energy to transmit the signal.
Remote controls send infrared light (a form of electromagnetic radiation) that the TV's receiver detects and decodes. They do not use sound, gravitational forces, or stored potential energy to transmit the signal.
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