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

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,il3c- f-xk7ovoj*x g/m5x2z a all resistors have the same resistanc a.7gerf, wf9rp1r9vvx ,h yu,e, and the cells do not have internal resisex.7awhf1fv9 ,pug,yv ,9rr rtance. 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


本题详细解析:

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