What is LED ..........,..
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In the simplest terms, a light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it. ... Since light is generated within the solid semiconductor material, LEDs are described as solid-state devices.
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LED --
Light emitting diode. it is a heavily doped P-N junction diode which emits visible light of particular colour when energised.....
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