Physics Unit18: Electric Currents (id: 596d0c702)

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

[单选题]
A car battery

A. has an emf of 6 V consisting of one 6-V cell.
B. has an emf of 6 V consisting of three 2-V cells connected in series.
C. has an emf of 6 V consisting of three 2-V cells connected in parallel.
D. has an emf of 12 V consisting of six 2-V cells connected in series.


参考答案:  D


本题详细解析: 暂无

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