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 4c*)4 yodnjrkhows a bar moving to the right on two conducting rail h 46fv::y b(qsu;kjn+ z0vige s. To make an induced current i in the direction indicated, in what direction would the magnetic field be in the area contained within the conducting fnq:b:jv uhsy zgi(e6v;4 0+krails?
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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