P-N Junction Diode
In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
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Answer: (b)
- Diffusion always occurs from higher to lower concentration.
- Holes are majority carriers in the p-region and minority in the n-region, so they diffuse from p to n.
- So the answer is (b) the higher hole concentration in p-region than in n-region.