摘要
以载流圆环为例,用毕奥-萨伐尔定律推导出磁偶极子一类模型——电流环模型的远场.
By taking a current-carrying ring as an example, the far magnetic field of magnetic dipole is obtained by using Biot-Savart law.
出处
《物理与工程》
2006年第4期24-25,共2页
Physics and Engineering
关键词
磁偶极子
远场
电流环
磁矩
magnetie dipole
far field
eleetrie eurrent loop
magnetie moment
