摘要
从一个简单问题出发,引出关于磁场零值点的一个判据,该判据与载流系统的几何对称性有关.
A criterion of zero magnetic field point, which is related with the symmetry of current-carrying system, is derived from a simple problem.
出处
《物理与工程》
2005年第5期19-20,共2页
Physics and Engineering
关键词
磁场
零值点
判据
几何对称性
magnetic field
zero magnetic field point
criterion
