本题目来源于试卷: Physics Unit20: Magnetism,类别为 通用国际物理
[单选题]
A current carrying l3vz/h k4 sic6hr1uz,(vgr as 5oop ot1:ce1 wex0, zsa lvt8*e irg4f wire lies flat on a table top. When viewed from above, the current moves around the loop in a counterclockwise sense. What is the direction of the magnetic field caused by this current, outside the loop? Thvetx 1 zec rst*8l0w,14 :egiae 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:
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