Physics Unit29: Molecules and Solids (id: 7b8b6e396)

本题目来源于试卷: Physics Unit29: Molecules and Solids，类别为 国际高中通用物理

[单选题]
In a p-type semicondap nq.*xsv*q 9uctor, a ho diqc3dzr.,a0le 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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