Motion of charged particle and Velocity selector and Mass spectrometer (id: 9058

本题目来源于试卷: Motion of charged particle and Velocity selector and Mass spectrometer，类别为 美国物理杯赛(Physics Bowl)

[单选题]
13.30: Electrons flow to the left in ++m*k ,id;xjdh)gk tty;q7 ty: vi d8pa wire as )di(i7rt o2jy shown. For the proton moving toward the top of the pago(2) i j7yditre at the instant shown, what is the direction of the magnetic force on the proton?

A. To the left
B. To the right
C. Into the plane of the page
D. Out of the plane of the page
E. There is no force


参考答案:  B


本题详细解析: 暂无

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