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 wire has a conventiv 98myr b.odz/ix 3feaf u1zo41dwo()onal current directed into-5nov1c.cmdj 0p wv wdx7oqn,+u0p o3f8mc r) the plane of the page as shown in the figu-m xr0o v7cfwno o)1 n,wqp5 dp8u3c+jmdc.v0re. Which one of the arrows 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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