JAMB Physics 2020 Objective — Question 24

Question 24 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2020 Objective paper, with the correct answer and a full explanation.

24. The process of adding impurity to a semi-conductor to increase its conductivity is called

A. A. dopingCorrect
B. B. annealing
C. C. ionizing
D. D. hardening

Explanation

The process of adding impurity to a semiconductor to increase its conductivity is called doping. The resulting semiconductor is known as an extrinsic (impure) semiconductor.

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