JAMB Physics 2020 Objective — Question 27
Question 27 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2020 Objective paper, with the correct answer and a full explanation.
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27. The process of adding impurity to a semi-conductor to increase its conductivity is called (repeat reference)
- A. A. dopingCorrect
- B. B. force
- C. C. heating
- D. D. hardening
Explanation
Same as Q24 — this is doping, producing an extrinsic semiconductor.
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