| 电力线相互平行的电场是匀强电场的充要条件 |
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| 引用本文： | 白旭芳,李子军.电力线相互平行的电场是匀强电场的充要条件[J].内蒙古民族大学学报(自然科学版),1999(2). |
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| 作者姓名： | 白旭芳 李子军 |
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| 作者单位： | 内蒙古民族师院物理系!内蒙古通辽028043 |
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| 摘 要： | 本文证明了：对于电力线相互平行的电场，电场强度的大小不可能在垂直于电场强度的方向上有变化；但电场强度的大小可以沿电场强度的方向上有变化。还证明了：若电力线相互平行的电场区域内有不为零的净电荷分布，则该区域必为非匀强电场区域；若在任一个电力线相互平行的电场区域内净电荷分布处处为零，则该区域必为匀强电场区域。这也就是电力线相互平行的电场一定是匀强电场的充要条件。
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| 关 键 词： | 电力线 相互平行 匀强电场 充要条件 环路定理 高斯定理 零净电荷分布 |
The Full and Necessary Condition of the Electric Field of Mutual Parallel Field Lines Must Be Even Electric Field |
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| BAI Xu - fang,LI Zi - jun.The Full and Necessary Condition of the Electric Field of Mutual Parallel Field Lines Must Be Even Electric Field[J].Journal of Inner Mongolia University for the Nationalities(Natural Sciences),1999(2). |
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| Authors: | BAI Xu - fang LI Zi - jun |
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| Institution: | BAI Xu - fang;LI Zi - jun |
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| Abstract: | It is proved that the size of electric field not change in vertical direction of electric field and can change in parallel direction of electric field for the electric field of mutual paralled field lines. It is proved that the region of existing surplus electric charges must be lion -- even electric field and the region of no existing surplus .electric charges must be even electric field for the electric field of mutual parallel field lines. This is the full and necessarg condition of that the electric field of mutual parallel field lines must be even electric field. |
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| Keywords: | field line mutual parallel even electric field full and necessary condition Stokes' theorem Gauss's theorm no existing surplus electric charges |
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