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 unugqnx1 4u-*-o)x tkpze,- uz h95scxkiform magnetic 3rvkbc,1yc ol1ov6 c9field of 0.30 T. The current in tlc1,co1 bv 3vyo 6c9rkhe loop is 2.0 A. What is the magnetic torque when the plane of the loop is parallel to the 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: C
本题详细解析:
暂无
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