均匀带电球体转动产生磁感应强度的求解方法  

Solution method of magnetic field generated by uniformly charged sphere rotating

作　　者：崔晶磊[1] 张建锋[1] 武柏锋 陈肖慧[1] CUI Jinglei;ZHANG Jianfeng;WU Bofeng;CHEN Xiaohui(School of Science,Northeastern University,Shenyang 110819,China)

机构地区：[1]东北大学理学院,辽宁沈阳110819

出　　处：《高师理科学刊》2021年第12期96-100,共5页Journal of Science of Teachers＇College and University

基　　金：教育部教改立项(DJZW201903db)——新工科背景下大学物理“金课”建设的研究与实践。

摘　　要：电磁学中很多问题是根据基本定义或者基于对称性分析进行复杂的积分运算,这是要求学生必须掌握的教学内容.讨论匀速率旋转的均匀带电球体在转轴上产生的磁感应强度的求解问题,列出4种求解方法.不同的方法采用不同的分析思路和计算技巧,都具有一定的代表性.这些方法的掌握能够提高学生用微积分处理物理问题的能力,对于学生后续物理学习非常有帮助.In electromagnetism,many problems are complicated integral operation based on basic definition or symmetry analysis,which is required for students to master the content.It was discussed of the problem of solving the magnetic field on the axis of a uniformly charged sphere rotating at a uniform rate.Four methods are listed here.Different methods adopt different analytical ideas and calculation skills,all of which are representative to some extent.The mastery of these methods can improve students′ ability to deal with physics problems with calculus,which is very helpful for students′ subsequent physics study.

关 键 词：带电球体 转动 磁感应强度 微积分 

分 类 号：O441[理学—电磁学] G642.0[理学—物理]