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 s 3ptglctaa ., f6bt)hy+ 5v3sbhows a bar moving egl) dvzgk( hpl 7+qrb c6t616to the right on two conducting rails. To make an induced current i in the direction indicated, in what direction would the magn 6h rczktgv1l6ge 7b()d6pl+ qetic field be in the area 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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