Particulate Nature of Matter B.5 Electric Circuits (id: 5bb844a8a)

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]
Two resistors and two cells are connected as shown.


Which expression gives current through $R_2$​?

A. $\frac{E_1+E_2}{R_1+R_2}$
B. $\frac{E_1+E_2}{R_2}$
C. $\frac{E_1}{R_2}$
D. $\frac{E_2}{R_2}$


参考答案:  D


本题详细解析:

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