Physics Unit29: Molecules and Solids (id: ba8b61671)

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]
An n-type semiconductor kfi9fvh1 p70727fipw*(w fvkgm;sa ois pr:9 khxbll2k0 yoduced by

A. doping the host crystal with donor impurities.
B. doping the host crystal with accepter impurities.
C. pure crystals of germanium.
D. none of the given answers


参考答案:  A


本题详细解析: 暂无

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