Explain working principle of LED and state its two applications.
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1st buy led from nearby electronics shop of best brand..then plug it in holder..then make the switch on that will make led start work
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Hi, This is the answer
Working Principle: A light-emitting diode is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons.
Sorry, application I don't know
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