MHT CET 2025 Physics question

Not in JEE Advanced syllabus

In the depletion layer of reverse biased p-n junction, the

(A)electric field is very small
(B)potential is maximum
(C)electric field is maximumCorrect
(D)potential is zero

Answer: (C)

Solution

In a p-n junction the immobile positive donor ions on the n-side and negative acceptor ions on the p-side form the depletion layer, which contains no free carriers and therefore has a strong internal electric field directed from n to p. Reverse bias widens this layer and raises the barrier, so the field in the layer

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Question ID VK-100675