Question

in depletion layer of p-n Junction diode , there the
(i) only electrons
(ii) only holes
(iii) both electrons and holes
(iv) neither electrons nor holes​

Answer 1

Answer:

(iii) both electrons and holes are present

Explanation:

when electrons and holes are combined then depletionlayer forms

Answer 2

Both electrons and holes

Explanation:

In p type semiconductor, there is a net negatively charged particles while in n type semiconductor, there is a net positively charged particles. A depletion region is a natural feature of doping a semiconductor n-type and right next to it p-type.

At p-n junction, the mobile electrons in the n-type diffuse across the junction, into the p-type area. In p-type, electrons diffuse' toward the n-type. At this layer, both electrons and holes are there.

Hence, the correct option is (c) "both electrons and holes".

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p-n junction

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