点电荷在真空中的分布如图所示,图中S为闭合面,则通过该闭合面的电通量https://edu-image.nosdn.127.net/_PhotoUploadUtils_031da744-e89e-474b-94ce-673d0bd2cbe7.pnghttps://edu-image.nosdn.127.net/_PhotoUploadUtils_44af3560-79e5-4893-8251-d4af63fc4735.pnghttps://edu-image.nosdn.127.net/_Pho
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