Physics Unit19: DC Circuits (id: df6822cd0)

本题目来源于试卷: Physics Unit19: DC Circuits，类别为 国际高中通用物理

[单选题]
Two 4.0 $\Omega$ resistors are connected in parallel, and this combination is connected in series with
3.1 W. What is the effective resistance of this combination?

A. $1.2 \; \Omega$
B. $5.0 \; \Omega$
C. $7.0 \; \Omega$
D. $11 \; \Omega$


参考答案:  B


本题详细解析: 暂无

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