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 radius 0.50 m is in a ujkhoqzwb /jr6 8vt1i4pym6vg52vg j- qu/87n6r,etn q6i78 f+ewwerq e5pm 5niform 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 th f8ei6wq ee+r,w6tnm57eq 5rp e magnetic field?
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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