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bi ao sa fa er ding lv he dong sheng dian ci chang dui cheng shi
Author(s): 
Pages: 1-5
Year: Issue:  S2
Journal: Journal of Lingling Teachers College

Abstract: 一、关于毕奥——萨伐尔定律 这条定律是计算电流Idι产生磁场的一个基本公式,一般教材指出:毕奥——萨伐尔定律是在实验的基础上经过科学抽象提出来的。然而这里所说的实验是什么?由实验抽象出定律又运用了哪些概念?在这里有必要讨论清楚。
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