本题目来源于试卷: Electromagnetic Induction and Faraday’s Law and Lenz Law，类别为 美国物理杯赛(Physics Bowl)
[单选题]
13.35: For the figure hs 9vt;nx x ld7)04s;txt8gyr shown, the va 5ygur 8zix5 jv,3vs8kudnwx(+vw c75riable resistance of the innercircuit $R_{inner}$ is increasing at a constant rate. While this isoccurring, in which direction is the magnetic field associated with the inner circuit at the point P in the plane of the circuitand in which direction is the flow of electrons through the resistor labeled $R_{outer}$?
A. Magnetic Field at P is There is no field Electron flow through$R_{outer}$ is There is no flow
B. Magnetic Field at P is Into the page Electron flow through$R_{outer}$ is From Y to X
C. Magnetic Field at P is Into the page Electron flow through$R_{outer}$ is From X to Y
D. Magnetic Field at P is Out of the page Electron flow through$R_{outer}$ is From Y to X
E. Magnetic Field at P is Out of the page Electron flow through$R_{outer}$ is From X to Y
参考答案: C
本题详细解析:
暂无
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