n-尖头外环和次摆线环电流的磁场

Q4 Social Sciences Revista Brasileira De Ensino De Fisica Pub Date : 2021-01-01 DOI:10.1590/1806-9126-RBEF-2020-0482

D. R. Abad

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引用次数: 1

摘要

我们计算了稳定电流产生的磁场，该电流采用两种特殊曲线的形状:具有n个边的次摆线和表摆线。计算在参考曲线的中心进行。为此，我们使用比奥-萨瓦定律，该定律在每门入门级的电磁学课程中都有学习。结果是相当普遍的，因为它是作为曲线边数的函数，并根据一个参数来确定所考虑的曲线类型(= - 1次摆线和= +1次摆线)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Magnetic field for an n-cusped Epi-and Hypo-Cycloids loop current

We calculate the magnetic field generated by a steady current that takes the shape of two types of special curves: hypocycloids and epicycloids with n numbers of sides. The computation was performed in the center of the referred curves. For this purpose, we use the Biot-Savart law which is studied in every introductory-level electricity and magnetism course. The result is quite general because it is obtained as a function of the number of sides of the curve and in terms of a parameter that identifies the type of curve considered ( = −1 hypocycloids and = +1 epicycloids).

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来源期刊

Revista Brasileira De Ensino De Fisica 物理-物理：综合

CiteScore

0.50

自引率

0.00%

发文量

102

审稿时长

6-12 weeks

期刊介绍： The Revista Brasileira de Ensino de Física - RBEF - is an open-access journal of the Brazilian Physical Society (SBF) devoted to the improvement of Physics teaching at all academic levels. Through the publication of peer-reviewed, high-quality papers, we aim at promoting Physics and correlated sciences, thus contributing to the scientific education of society. The RBEF accepts papers on theoretical and experimental aspects of Physics, materials and methodology, history and philosophy of sciences, education policies and themes relevant to the physics-teaching and research community.