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]
12.36: A positive chargeuf,ogb(+ax sw,7b 7 wj movesh ;tfk gfu itp.f+38-w with constant velocity through a region of space cont fhk.8 g;3-ip ffwut+taining both an
electric field and a magnetic field. The electric field is directed out of the plane of the page.
Ignoring any gravitational field, which one of the following choices represents possible directions
of both the particle’s velocity and the total magnetic field in the region of space?
A. Velocity of particle is Toward the bottom of the page Magnetic Field is Into the plane of the page
B. Velocity of particle is Into the plane of the page Magnetic Field is Out of the plane of the page
C. Velocity of particle is To the left Magnetic Field is Toward the bottom of the page
D. Velocity of particle is Toward the top of the page Magnetic Field is To the right
E. Velocity of particle is Out of the plane of the page Magnetic Field is Toward the top of the page
参考答案: D
本题详细解析:
暂无
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