Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 55

56. The depletion layer in the $p-n$ junction region is caused by

[1991]

(a) drift of holes

(b) diffusion of charge carriers

(c) migration of impurity ions

(d) drift of electrons

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Answer:

Correct Answer: 56. (b)

Solution:

  1. (b) The depletion layer in the $p-n$ junction region is caused by diffusion of charge carriers.