A) electrons from the n-type material cross the -n junction and recombine with holes in the p- type material
B) electrons and holes neutralise each other
C) at junction electrons and holes remains at rest
D) None of the above
Correct Answer: A
Solution :
When light emitting diode (LED) is forward biased the electrons from the n-type material cross the\[p-n\]junction and recombine with holes in the p-type material.
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