How Remote Controls Work
Interactive Video
•
Physics, Science
•
KG - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Remote controls operate devices wirelessly using electromagnetic waves, primarily infrared radiation. Infrared is an invisible light emitted by an LED in the remote, detected by a device's sensor. When a button is pressed, the remote sends a binary code via infrared pulses, instructing the device to perform specific functions. Each remote is designed to control only its intended device, ensuring functionality specificity.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is a binary code and how is it related to remote controls?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How does a remote control ensure it operates only the specific device it was made for?
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