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 radt -*gz 4gj7eixius 0.5ttg1dsuu5t7kinw. 45;+jary 0 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 tng5 ;sujd+i4tk7wr tay 5.1uA. 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
| 
