Q.
What is recombination process in semi conductor
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a
An electrons and hole path disappear
b
Electrons are created
c
holes are created
d
To produce magnetic energy
answer is A.
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Detailed Solution
In the semi conductor there are two types of charge carriers electron in conduction band and holes in valence band. When an electron falls from the conduction band into valence band recombination process occurs and electrons and hole path disappear
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