magnet and magnetic field lines (id: f58a468c3)

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]
99.04: If conventional (positive)cjp3nz (u:by5 electri6ypxvb )pihh5k z1pr2y8bnmq71br: :c current flows from left to right in a wire as shown in the diagram, what is the direction of the magnetic field at point ):vrb q iz8yp1mp b5xb2kh7yhrp61n: P?

A. toward top of paper
B. towards bottom of paper
C. into paper
D. out of paper
E. to the right


参考答案:  C


本题详细解析: 暂无

微信扫一扫，分享更方便