magnet and magnetic field lines (id: 3eb2c9895)

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]
02.31: A compass is placed near a coil of w4gaf /axl60m xire. A conven nela0exrc np:q 53-w-rtkgcp /g 31q9tional electrical current is then run through the coilp/ k: w-c1-rexqr 05tn9ec 3lq n3ggpa from left to right as shown. This will cause the North pole of the compass to:

A. point toward the left
B. point toward the right
C. point toward the bottom of the paper
D. not move since the magnetic field of the coil is into the paper
E. not move since the magnetic field of the coil is out of the paper


参考答案:  A


本题详细解析: 暂无

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