The formation of the depletion region in a p-n junction diode is due to ______.

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KollegeApply · Accepted Answer

The formation of the depletion region in a p-n junction diode is due to the diffusion of both electrons and holes. Explanation: Charge diffusion is what creates the depletion area. holes diffuse across the junction from the p-side to the n-side due to the concentration gradient, whereas electrons diffuse from the n-side to the p-side. Near the junction, the holes and the electrons that are diffusely moving in the same direction unite.

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