大学物理 ›› 2017, Vol. 36 ›› Issue (2): 34-38.doi: 10.16854 /j.cnki.1000-0712.2017.02.009

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用矢势求解似稳电路中“三维导体”自感系数

刘世明   

  1. 濮阳职业技术学院,河南濮阳457000
  • 收稿日期:2016-03-07 修回日期:2016-05-23 出版日期:2017-02-20 发布日期:2017-02-20
  • 作者简介:刘世明( 1963—) ,男,河南濮阳人,濮阳职业技术学院副教授,主要从事物理学教学与研究工作.
  • 基金资助:
    濮阳市教育科学项目( 2016PYZYZS01) 资助

Solving the self-inductance of“three-dimensional conductor”in the quasi-steady circuit in the light of magnetic vector potential

LIU Shi-ming   

  1. Puyang Vocational and Technical College,Puyang,Henan 457000,China
  • Received:2016-03-07 Revised:2016-05-23 Online:2017-02-20 Published:2017-02-20

摘要: 由矢势分析了“三维导体”的自感电动势,利用E= L|∂l/∂t|给出了“三维导体”无限长同轴电缆的自感系数.直观地说明了自感的成因.

关键词: 三维导体 矢势, 自感系数

Abstract: The self-induction electromotive force of“three-dimensional conductor”in the light of magnetic vector potential is analyzed. The solution of the self-inductance of“three dimensional conductor”unlimited length coaxial cable is given by using the formula The self-induction electromotive force of“three-dimensional conductor”in the light of magnetic vector potential is analyzed. The solution of the self-inductance of“three dimensional conductor”unlimited length coaxial cable is given by using the formula E = L| ∂l/∂t| ,then the cause of formation of the self -conductance is discussed visually.,then the cause of formation of the self -conductance is discussed visually.

Key words: three dimensional conductor, magnetic vector potential, self-inductance