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 rad j;sl-/31mksw- 5i tfucf tjo,ius 0.50 m is 7m u f:*z65 1iz+xq(rn)m cglir qn9yein a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is perpendicular to the magnetic fielm 5y1 +g:)uxcl i9 qz fqnr6mizn7(er*d?
A. zero
B. $0.41 \; m \cdot N$
C. $0.47 \; m \cdot N$
D. $0.52 \; m \cdot N$
参考答案: A
本题详细解析:
暂无
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