本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
A particle carrying a charg7s8 zzrx:+u/ s, xuf/ i*inqpbe of +e 1m lebe 56zz0exz,o sxs70x/btravels in a circular path in a uniform magnetic field. Ifeb5/xze6lss7 ,b0xzm10 xez o 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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