本题目来源于试卷: Physics Unit20: Magnetism,类别为 通用国际物理
[单选题]
A horizontal wire carries au,g+y y n*uaafcq0;1k current straight toward you. From youq7vk tzusfy;8:j wk:4 r point of view, the magnetic field caused by this current:ft zk 87y4j:su;vkq w
A. points directly away from you.
B. points to the left.
C. circles the wire in a clockwise direction.
D. circles the wire in a counter-clockwise direction.
参考答案: D
本题详细解析:
暂无
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