Question

State the important features of the depletion region.
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Answer 1

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(1) Diffusion of electrons from the n-region to the p-region results in the formation of depletion region. This leaves positively charged ions in the n-region.

(2) Electrons get accumulated in the p-region and holes get accumulated in the n-region.

(3) The accumulation of charges on either side of the junction results in a potential barrier that prevents flow of charges across the junction.

(4) This region contains no free charges.

(5) The depletion region has higher potential on the n-side and lower potential on the p-side of the junction.