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Home › CBSE Class 12 (Science) › Physics › Semiconductor Electronics: Materials, Devices and Simple Circuits › Infrared LEDs are commonly used in which device?

Infrared LEDs are commonly used in which device?

AWater pumps
BMicrowave ovens
CHair dryers
DRemote controls
Answer & Solution
Correct answer: D. Remote controls
A remote control sends its signals as pulses of infrared light from an LED.
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