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LED's or `light emitting diodes' are solid state lights, meaning that they have no filament, which generate their light as power is applied to a junction which could be made up of many different materials such as gallium arsenide. Depending on the materials used, the light can be several different colors ranging from red to white and all colors between. Many times in the epoxy shell in which the electronic junction is encapsulated, they'll add an additional `doping' compound to assist in the light producing a different or enhanced color. For instance a white LED is usually a blue LED which is `doped' to produce a white light. Over a period of time, the white LED will start to get bluish as it ages and the doping `wears out'.
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Why the small wavelength is used in LED?
Small wavelength used in led bcoz we commonly use led as a flashlight.
What is the masculine of led?
The word led doesn't have a gender. It is led no matter how it is used.
Why LED is used to determine planks constant?
led is used to determine Plancks constant
Where are LED spotlights normally used?
LED spotlights are usually used outdoors. LED spotlights are usually used to light up porches and yards. LED spotlights are also used in Art Galleries to light up showcase displays.
Components used to protect a LED?
The component used to protect a LED from burning up is called a resistor.
Is led used in pencils?
No, graphite is used
What element from the periodic table is used to make pencils?
Pencils are filled with Graphite, they used to be filled with led but since led is Poisonous they replaced the led with graphite.
How can a LED be used as a black light source?
You will need to purchase a UV LED.
Divisive tactics used in the Battle of Normandy were led by who?
Divisive tactics used in the Battle of Normandy were led by American paratroopers.
What led zeppelin song was used in Herbie fully loaded?
No Led Zeppelin song was used in Herbie: Fully Loaded
What do we use LED for now?
LED is a small type of light that is commonly used today.
Ccd camera used to focuse the ir led?
why we use LED in a hidden CCD camera?
