| 取电势参考点时要注意的一个问题 |
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| 引用本文： | 宁智华. 取电势参考点时要注意的一个问题[J]. 实验科学与技术, 2013, 0(5): 193-194,213 |
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| 作者姓名： | 宁智华 |
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| 作者单位： | 电子科技大学物理电子学院,成都610054 |
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| 摘 要： | 论述了利用拉氏方程的通解求解静电势时，为了解题过程简捷，往往事先选定参考点，但事先给定电势零点的做法在有些场合又会带来新的问题，使答案产生异常，那么应怎样选取参考点以确定待定常数A0才恰当。
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| 关 键 词： | 电势 拉氏方程 参考点 |
A Problem We Should Pay Attention to When Select Reference Point of the Electric Potential |
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| NING Zhihua. A Problem We Should Pay Attention to When Select Reference Point of the Electric Potential[J]. Experiment Science & Technology, 2013, 0(5): 193-194,213 |
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| Authors: | NING Zhihua |
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| Affiliation: | NING Zhihua (School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China) |
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| Abstract: | When solving the electrostatic potential by using Laplace equation, we usually first choose reference point in order to solve problem simply. However, giving zero potential practice will bring new problems in some cases which cause abnormal solutions, how to select appropriate reference point to determine the undetermined constant A0 . |
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| Keywords: | electric potential Laplace equation reference point |
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