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If a small amount of antimony is added to germanium crystal
A. its resistance is increased
B. it becomes a p-type semiconductor
C. there will be more free electrons than holes in the semiconductor
D. none of these

1 Answer

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Correct Answer - C
Adding fifteenth group element to germanium makes it an n-type semiconductor. Antimony is a fifteenth group element and so germanium becomes n-type semiconductor.

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