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MCQ Practice Question

Electronic Devices & Circuits Semiconductor Fundamentals

In an n-type semiconductor at equilibrium, moving the Fermi level closer to the conduction band generally indicates?

AHigher electron concentration
BHigher hole concentration only
CZero carrier concentration
DAn insulating state necessarily

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Correct Answer: A. Higher electron concentration

Explanation: For nondegenerate n-type material, a Fermi level closer to the conduction band corresponds to a larger equilibrium electron concentration.

Reference: Standard semiconductor electronics: Fermi level

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