magnet and magnetic field lines (id: fdc418c4c)

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]
96.27: A long straight wire conducgoy2l3)fkjz0gt7/ mkjqb* - jtor is placed below a0 ql1 h:w2u 9bnieyz5ij)bk/ l compass. When the conventional cur w)2bkilbh9 :jz /i51yl e0uqnrent in the conductor is from south to north and large, the N pole of the compass:

A. remains undeflected.
B. points to the south.
C. points to the west.
D. points to the east
E. has its polarity reversed.


参考答案:  D


本题详细解析: 暂无

微信扫一扫，分享更方便