本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
An electron moves with ag4o mq/s7rphcl 98 6 qu.j+xvt speedr/(:yi :5sj ,-jlr.xv fsqthl 2pv d4n of $5.0 \times 10^4 \; m/s$ perpendicular to a uniform magnetic field of 0.20 T. What is the magnitude of the magnetic force on the electron?
A. $4.4 \times 10^{-14} \; N$
B. $1.6 \times 10^{-15} \; N$
C. $2.6 \times 10^{-24} \; N$
D. zero
参考答案: B
本题详细解析:
暂无
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