How Does an LED Bulb Work? | Physics Explained
1:11
YouTubeehtisham tariq WMSC Peshawar
How Does an LED Bulb Work? | Physics Explained
Have you ever wondered how an LED bulb produces bright light while using very little electricity? In this YouTube Short, you'll learn: ️ What an LED is ️ How a semiconductor works ️ The PN junction explained ️ How electrons produce light (photons) ️ Why LEDs are energy-efficient Subscribe for more Physics, Science, Technology ...
523 views2 months ago
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Swapping out LED bulbs for zero-blue-light amber bulbs is one of the best things I’ve done for my sleep, and it doesn’t cost much. Most LEDs have a massive spike of blue light and virtually no red light. That blue light tells your brain it’s midday, no matter what time it actually is. Low blue light bulbs shift the spectrum toward red, signaling to your body that it’s time to wind down without spiking your cortisol Once you make the swap you will never go back!
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