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]
05.33: The figure below sh ursq b 52/a8jm;xoq il unw-*:b)zdb5 ows a ba amw9j1l-etd 1c3 * mqwr moving to the right on two conducting rails. To make an induced current i in the direction indicated, in what direction would the magnetic field be in the a mm*9we1dj lc -taw1q3rea contained within the conducting rails?

A. out of the page
B. into the page
C. to the right
D. to the left
E. It is impossible to create the current with a constant magnetic field.
参考答案: B
本题详细解析:
暂无
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