本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
A proton has a speed*hbsjb *2if/li pv.6 (gfu)la97 ohlj of1nqe5j ai i) lq,u2;vi $3.0 \times 10^6 \; m/s$ in a direction perpendicular to a uniform magnetic field, and the proton moves in a circle of radius 0.20 m. What is the magnitude of the magnetic field?
A. $0.080 \; T$
B. $0.16 \; T$
C. $0.24 \; T$
D. $0.32 \; T$
参考答案: C
本题详细解析:
暂无
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