magnet and magnetic field lines (id: f42197272)

本题目来源于试卷: magnet and magnetic field lines，类别为 美国物理杯赛(Physics Bowl)

[单选题]
12.28: A long straight wir4mm 6ki9qi*a )jsx6j re has4ki5yv xa). ,*j9 mbup r2jnap a conventional current directed into the plane of the page as shown in the figure. Which one of the vj n5) yjk9.m pbua*4r2 pa,xiarrows shown best indicates the direction of the magnetic field associated with this wire at the location labeled P?

A.
B.
C.
D.
E.


参考答案:  E


本题详细解析: 暂无

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