Particulate Nature of Matter B.5 Electric Circuits (id: bd7f4d53f)

本题目来源于试卷: Particulate Nature of Matter B.5 Electric Circuits，类别为 IB物理学

[单选题]
The variation of termin- 0 kiy+7jgr+ ajjwu8uallpiv:20o.ukmc v ca,w7 (2ehd potential difference$V$ across an electric cell with current $I$ coming out of the cell is shown in the graph.


What are the values of the emf $ϵ$ and internal resistance $r$ of the electric cell used in this circuit?

A. $ϵ =9V$; $r=2.0Ω$
B. $ϵ=8V$; $r=0.5Ω$
C. $ϵ =8V$; $r=2.0Ω$
D. $ϵ=9V$; $r=0.5Ω$


参考答案:  D


本题详细解析:

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