本题目来源于试卷: Physics Unit20: Magnetism，类别为 国际高中通用物理
[单选题]
A particle carrying a chargrm59 u oj-i2u5gbog*de of +e travels in a circulew,umkg)k /u,3 jfb8 lar path in a uniform magnetic fielumg)f eb/kk ,3 wulj8,d. If instead the particle carried a charge of +2e, the radius of the circular path would have been
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: C
本题详细解析:
暂无
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