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The region on either side of a p-n junction emptied of free charges is called the:
ADecoration region
BDepletion region
CDepression region
DDeposition region
Answer & Solution
Correct answer: B. Depletion region
1. Electrons and holes diffuse across the junction and recombine.
2. That leaves a zone with no mobile carriers left.
3. This space-charge region on either side of the junction is known as the depletion region.
4. So the answer is the depletion region.
_Source: NCERT Class XII Physics Part II, Ch 14 'Semiconductor Electronics'_
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