AAI ATC Junior Executive 21 Feb 2023 Shift 2 Paper

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Question : 89 of 120

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An unbiased p-n junction has holes diffusing from p-region to the n-region because:

holes in the p-region repel them
hole concentration in p-region is more compared to the n-region
holes move across the junction following the potential difference
free electrons in the n-region attracts them

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