本题目来源于试卷: magnetic force,类别为 美国物理杯赛(Physics Bowl)
[单选题]
05.22: The diagram below sho g:lgdyo i896hws a n -sz:l -d)rku++ k(uefnuv4t straight wire carrying current i in a uniform magnetic fiel +)krl-n-etd uvn+k4:f uzu (sd. An arrow indicates the magnetic force F on the wire. Of the following possibilities, the direction of the magnetic field must be

A. out of the page.
B. into of the page.
C. to the right.
D. up the plane of the page
E. down the plane of the page
参考答案: A
本题详细解析:
暂无
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