本题目来源于试卷: magnetic force，类别为 美国物理杯赛(Physics Bowl)
[单选题]
99.29: Two light wires are hung vertically. Witb3oy c61o)wyq h electrico.hu zjo7i m+v8c*8uval current in both wires directed oju8*zc8vu ov7. hm+i upwards
A. the wires will experience a force of attraction
B. the wires will experience a force of repulsion
C. the force on the right hand wire will cancel the force on the left hand wire
D. both wires will experience a torque until they are at right angles to one another
E. none of the above
参考答案: A
本题详细解析:
暂无
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