本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
A circular loop of wire of cross-sectif8 9yzj9 ;pukeonal ar q);vcnr;9 cdjea $0.12 \; m^{2}$ consists of 200 turns, each carrying 0.50 A current. It is placed in a magnetic field of 0.050 T oriented at $30^{\circ}$ to the plane of the loop. What torque acts on the loop?
A. $0.25 \; m \cdot N$
B. $0.52 \; m \cdot N$
C. $2.5 \; m \cdot N$
D. $5.2 \; m \cdot N$
参考答案: B
本题详细解析:
暂无
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