| 导体与点电荷之间的相互作用能的一点讨论 |
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| 引用本文： | 李炜,蒋永进.导体与点电荷之间的相互作用能的一点讨论[J].大学物理,2007,26(5):62-63. |
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| 作者姓名： | 李炜 蒋永进 |
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| 作者单位： | 浙江师范大学,数理与信息工程学院,物理系,浙江,金华,321004 |
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| 摘 要： | 不带电荷的导体移到点电荷的静电场中时,导体表面会产生感应电荷.我们证明对任意形状的导体,导体和点电荷之间的相互作用能是点电荷与其镜象电荷之间库仑作用能的1/2,并且对此结果给出一个非常简单的解释.
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| 关 键 词： | 导体 点电荷 感应电荷 相互作用能 电象法 |
| 文章编号： | 1000-0712(2007)05-0062-02 |
| 收稿时间： | 04 22 2006 12:00AM |
| 修稿时间： | 2006年4月22日 |
The calculation of the interacting energy between conductor and point charge |
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| LI Wei,JIANG Yong-jin.The calculation of the interacting energy between conductor and point charge[J].College Physics,2007,26(5):62-63. |
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| Authors: | LI Wei JIANG Yong-jin |
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| Institution: | Department of Physics,Zhejiang Normal University,Jinhua, Zhejiang 321004, China |
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| Abstract: | When an uncharged conductor is moved to the electric field produced by a point charge,there will be induced charge distribuion on the surface of the conductor.It is proved that for conductor with arbitrary shape,the interaction energy between the point charge and the conductor is half of the coulomb interaction energy between the point charge and image charges.Furthermore a very simple understanding to this result is provided. |
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| Keywords: | conductor point charge induced charge interaction energy electric image method |
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