JAMB Physics 2010 Objective — Question 50

Question 50 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2010 Objective paper, with the correct answer and a full explanation.

50. Which of the following is a pure semiconductor? A. Silicon B. Phosphorus C. Transistor D. Carbon

A. SiliconCorrect
B. Phosphorus
C. Transistor
D. Carbon

Explanation

Silicon and germanium are good examples of pure or intrinsic semiconductors. When impurities are added to intrinsic semi-conductors (doping), an extrinsic semi-conductor is formed.

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