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]
16.24: A proton moves with constant non-zero velocity in a rvl y3 uaj)vd(qfhcy*f6cio+2q. ;z g/egion of space that og;i*z3yhacqdvfc j+.l6vq( 2 )u / fy2raxpha5k s -7mk5;ifwn4v0vqd7d2v has a uniform magnetic field directed into the plane of the page. The proton moves directly up the plane of the page. What is the direction of the electric fieldv;wh mk2vn5i0472 7axf -5svprkad qd in this region of space? Ignore gravity
A. To the left
B. To the right
C. Down the plane of the page
D. Up the plane of the page
E. There is no electric field necessary
参考答案: B
本题详细解析:
暂无
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