Sun August 07, 2011 By: Aqeel Syed

Mam,i want to ask that why not charge outside the surface can contribute to flux, thing is no.of field lines it may be from outside so

Expert Reply
Mon August 08, 2011
The charge Qencl is the net charge enclosed by the arbitrary closed surface of our choice.
The charge outside the surface might impact field lines but not the total number of lines entering or leaving the surface.
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