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Physics Unit29: Molecules and Solids (id: 32b39bf12)

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Post time 2024-1-14 18:37:39 | Show all posts |Read mode
本题目来源于试卷: Physics Unit29: Molecules and Solids,类别为 Generic Physics

[单选题]
In a p-type semicond j a azi.fr)p..6vz+ery*v*4xir i e9q h4-qmnuctor, a hole is

A. a donor atom.
B. an extra electron supplied by a donor atom.
C. a missing atom in the crystalline structure.
D. a region where an electron is missing.


参考答案:  D


本题详细解析: 暂无
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