Physics Unit18: Electric Currents (id: c27484c70)

本题目来源于试卷: Physics Unit18: Electric Currents，类别为 通用国际物理

[单选题]
The resistivity of ay hi/5 c;,vleiyy7,mk wi(y)5p (i ,fq 4ti:m+ijlqihck re depends on

A. its length.
B. its cross-sectional area.
C. the material out of which it is composed.
D. all of the given answers


参考答案:  C


本题详细解析: 暂无

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