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) electric cu3l1 lytvobx7a,t/z r8rrent flows from left kkp8k) px :wzx(b)e v/to right in a wire as shown in the diag8:( p )vb ex)kx/kkwzpram, what is the direction of the magnetic field at point 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