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A geometric method to determine the electric field due to a uniformly charged line segment

机译:确定均匀带电线段所产生电场的几何方法

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摘要

A geometrical method to calculate the electric field due to a uniformly charged rod is presented. The result is surprisingly simple and elegant. Using only lengths and angles, the direction of the electric field at any point due to this charge configuration can be graphically determined. The method is not new but seems to have been all but forgotten. A full understanding of this result can lead to a deeper appreciation of symmetry in a seemingly un-symmetric system. (C) 2015 American Association of Physics Teachers.
机译:提出了一种计算几何形状的方法,该方法用于计算由均匀充电的棒引起的电场。结果令人惊讶地简单而优雅。仅使用长度和角度,就可以通过图形确定由于该电荷配置而在任何点处的电场方向。该方法不是新方法,但似乎几乎被遗忘了。对这个结果的充分理解可以导致在看似不对称的系统中对对称性有更深的认识。 (C)2015年美国物理教师协会。

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