JEE Main 2003 Physics question

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

(1)electric field is zero
(2)potential is maximum
(3)electric field is maximumCorrect
(4)potential is zero

Answer: (3)

Solution

The depletion layer contains fixed positive charge on the n-side and negative charge on the p-side. Integrating Gauss's law across it, the electric field grows from zero at the edges to a maximum at the

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Question ID VK-038137