本题目来源于试卷: Physics Unit20: Magnetism,类别为 国际高中通用物理
[单选题]
A circular loop of wire of rade/wh7.sufcqo ./5 eboius 0.50 m is in a u/w, ej2sph(c7sf8um ygbtt,)niform 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 perpendiculu/7ts( tc g8yhfsjpbe, ,2 )mwar 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: A
本题详细解析:
暂无
|