The methods of choosing Ampere ring roadand the applicat io n of Ampere ring roadtheorem to the solution of magnetic field conditions are b oth presented in detail,concerning the calculation of magnetic induction streng th within spiral winded wreath.

针对铁芯有缝的螺绕环内磁感应强度的计算,阐明安培环路的选择及应用安培环路定理求解磁场的条件。

A new method to demonstrate the Ampere circuit rule;

安培环路定理的一种证明方法

The Ampere circuit rulein steady magnetic field is demonstrated generally, avoiding vector analysis.

利用磁壳与线形闭合电流等效的证明方法，可避开使用矢量分析工具，一般地证明稳恒磁场安培环路定理。

Applying this method into teaching,it will enhance the understanding of Ampere circuit theoremand make the undergraduates master the application of this theorem in practice,stimulate the studying interests and improve the ability of integrating theory with practice.

本文把一个抽象的电磁场定律具体化,阐述了安培环路定律在磁场屏蔽工程实践中的应用。

It dissects the existing abuses of the original theorem in the object use and then proceed to putting forward an improved"the Ampere Circuit Theorem of Universal Suitable Type".

从学生在应用"安培环路定理"时所犯的一个普遍性的错误着手,分析了产生错误的主、客观原因,剖析了原定理在直观应用上所存在的弊端,进而给出了一个改进的"普适型安培环路定理"。