JAMB Physics 2012 Objective — Question 49

Question 49 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2012 Objective paper, with the correct answer and a full explanation.

If a reverse-biased voltage is applied across a p-n junction, the depletion layer width is

A. increasedCorrect
B. decreased
C. constant
D. halved

Explanation

A reverse-biased voltage widens (increases) the depletion layer of a p-n junction.

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