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Particulate Nature of Matter B.5 Electric Circuits (id: 4cf84afda)

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admin 发表于 2024-2-10 05:12:29 | 显示全部楼层 |阅读模式
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]
In the circuits below, alli :d,jx.( (hgj fyt;ag resistors have the sam 1a*2kp)nhxo be resistance, and the cells do not have 1b h)ok*nxp2a internal resistance. The emf of the cell in circuit 1 is $E_1$​ while it is $E_2$​ in circuit 2.


All resistors dissipate the same power. Which of the following gives the ratio $\frac{E_1}{E_2}$

A. 2
B. 1
C. $\frac{1}{2}$
D. $\frac{1}{4}$


参考答案:  A


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