Why do not LED starts to glow immediately when you provide the forwarding bias to that?
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When Light Emitting Diode (LED) is forward biased, free electrons in the conduction band recombines with the holes in the valence band and releases energy in the form of light. ... Like the normal p-n junction diodes, LEDs also operates only in forward bias condition
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Answer:
When Light Emitting Diode (LED) is forward biased, free electrons in the conduction band recombines with the holes in the valence band and releases energy in the form of light. ... Like the normal p-n junction diodes, LEDs also operates only in forward bias condition.
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