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LED - Light Emitting Diode can be seen in railway digital indicators. You can also see LED's in your digital wrist watches. There are many such examples.
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∙ 13y ago
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How bright is 12000 to 15000 mcd LED?
Have you seen the solar lights used in the garden, they use 12000-15000 mcd LEDs
When to connect LEDs in parallel?
Basically, when LEDs are connected in parallel, the LEDs with the lowest resistance will be the brightest, the other LEDs will be dimly lit or not lit at all. Therefore, use LEDs with the same model number and colour.
How are LEDs different from other artificial light sources?
The difference is that LEDs use less electricity.
Can you use LEDs instead of CFL lamps in house?
Yes, although cost issues may prohibit. I've seen companies that make LED/lightbulbs.
Why are leds use instead of light bulbs?
LEDs save a lot of electricity, whitch goes on your electric bills.
What are the advantages of having LEDs for bicycle taillights?
LEDs use much less energy than other alternatives.
How much energy does a led use per hour?
LEDs come for different power ratings. Miniature LEDs use between approximately 40-90 mW. High-power LEDs - used for illumination - can use hundreds of watts per square centimeter.
What type of bulbs use phosphors?
fluorescent, LEDs
When to use to lead and when to use to led?
you can use leds in some safety lights and al sorts of things
Which is a more powerful light - 95 leds or 128 leds?
If your compairing apples to apples like 3 watt leds to 3w leds then 128. The more leds the higher the power.
Does a microwave use electricity when off?
If it has LEDs (as in a clock) then it does, a few millamps. Otherwise it doesn't.
Which devices do we use for illumination?
LEDs, light bulbs, candles, oil lamps, campfires, etc.
