In an unbiased p-n junction, holes diffuse from the p-region to n-region because ______.

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KollegeApply · Accepted Answer

Hole concentration in p-region is more as compared to n-region. Explanation: The diffusion of charge carriers across a junction takes place from the region of higher concentration to the region of lower concentration. In this case, the p-region has a greater concentration of holes than the n-region. Hence, in an unbiased p-n junction, holes diffuse from the p-region to the n-region.

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