本题目来源于试卷: Physics Unit20: Magnetism，类别为 国际高中通用物理
[单选题]
A current carrying loop of wire lies flat on a table top. Wh/ wvlax ivce( s, uzw/j968wf-en viewed from a da;bm sy*rorji7 4;.m:)nh knbove, the current moves around the loop in;amnk4b;r y*ns mhir ).:oj7d a counterclockwise sense. What is the direction of the magnetic field caused by this current, outside the loop? The magnetic field
A. circles the loop in a clockwise direction.
B. circles the loop in a counterclockwise direction.
C. points straight up.
D. points straight down.
参考答案: D
本题详细解析:
暂无
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