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LED diode:

when certain amount of voltage is applied to LED diode the electrons which are present in lower energy level jumps in to higher energy level after certain time the electrons in the higher energy level again jumps in to lower energy level .

while jumping from higher energy level to lower energy level electrons emits energy in the form of light(visible or invisible)

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βˆ™ 11y ago
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Q: Operation of led diode
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