《物理原来很有趣：李淼的30堂物理课》的读者笔记
共 84 条公开笔记
的大小与电荷之间距离的平方成反比，与两个电荷的电荷量乘积成正比。这个定律还告诉我们，负电和负电之间是排斥的，正电和正电之间也是排斥的，但正电和负电之间是吸引的。
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sunny362502 2026-08-08共 84 条公开笔记
的大小与电荷之间距离的平方成反比，与两个电荷的电荷量乘积成正比。这个定律还告诉我们，负电和负电之间是排斥的，正电和正电之间也是排斥的，但正电和负电之间是吸引的。
sunny362502 2026-08-08