本题目来源于试卷: magnet and magnetic field lines，类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.28: A long straight w v3wgepj ,82do ire has a conventional curr k+pplfg6k/g 3 yn :s i-av8,lqent directed into the plane of the page as shown in the figure. Which one of the arrows shown best indicates the direction of the magnetic field associated with this wire at the location labeled 3v/y6ql+nsp8l ig g, k:-kapf P?
A.
B.
C.
D.
E.
参考答案: E
本题详细解析:
暂无
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