JAMB Physics 2017 Objective — Question 28

Question 28 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2017 Objective paper, with the correct answer and a full explanation.

If silicon is doped with phosphorous, what type of semiconductor material will be formed?

A. A. Zener material
B. B. p-n junction
C. C. n-typeCorrect
D. D. p-type

Explanation

Doping silicon (tetravalent) with phosphorus (pentavalent) creates excess electrons, forming n-type semiconductor material.

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