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PHYSICS

JAMB 2024 - Question 7

Physics 2024 JAMB Past Questions - Question 7: Which of these materials has a very large energy gap?

Which of these materials has a very large energy gap?

A: Copper (Cu)

B: Silicon (Si)

C: Diamond (C)

D: Graphite (C)

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Correct Answer

Explanation

Energy gap refers to the energy difference between the valence band and conduction band for a substance. A large energy gap indicates an insulator, while a small energy gap indicates a semi-conductor and a very small gap indicates a conductor. Diamond has a very large energy gap making it an excellent electrical insulator