本题目来源于试卷: Maxwell Equations，类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.50: A spatially uniform electric field is w-m1yp+*lab8-m o y jmconstrai a9hmbkr - g2l3ned within the circular region of radius R as shown. The field is directed out of the plane of the page and its strength is decreasing uniformly with time. Which one of the following choices best represents the direction of the Lorentz force on the electron at the instant shown in the figure when the el kl g32a9rb -mhectron is moving up the plane of the page? Ignore gravity
A. No Force
B. Into the plane of the page
C. Out of the plane of the page
D. To the right
E. To the left
参考答案: B
本题详细解析:
暂无
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