Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

Do you know what l. e. d. lights are?


LED stands for: 'light emitting diode. The LED is a semiconductor that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons.

{{ relativeTimeResolver(1595056963462) }}

LIVE
Points points 127
Rating 0

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE