本题目来源于试卷: Physics Unit20: Magnetism,类别为 通用国际物理
[单选题]
A charged particle is oxdzaen+o9ydj g (vi pjo+,50:bserve;8 - ranfsgj+s gn/wl74 i8ared traveling in a circular path in a uniform magnetic field. If the particle had been traveling twice as fast, the radius of the al s+ 4g78s i8/fngrje-nra w;circular path would be
A. twice the original radius.
B. four times the original radius.
C. one-half the original radius.
D. one-fourth the original radius.
参考答案: A
本题详细解析:
暂无
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