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 show :- 7 nmnqz7g pu-uaus1s a straight wire carrying current i in ;zcpx *u+s.ss a uniform magnetic field. An arrow indicates the magnetic force F on the wi us z.+x*ssc;pre. 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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