LIGHT EMITTING DIODE

LIGHT EMITTING DIODE A pn jinction diode which wmit light when forwar biased kbown aa light emiting diode LED.   Construction It consists of N-type layer placed on a P-type substrate by a  diffusion.Then a thinP-type laye is placed on the N-type layer.The metal connection to both the layers forms anode and cathode terminal when…

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