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 )6( hmxw 8a7elroa uy7k*hi. dws a straight wire zt1 ce0k+km-p carrying current i in a uniform magnetic field. An arrow indicates the magnetic force F on the wire. +t kmk0-1 zpce 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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