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[edit] Spherical Surfaces

What is the reason that in a spherical, charges are present in the outersurface of the sphere? please answer me in email kalyan_kapil@yahoo.co.in waiting for reply please

- In the example given, the distribution of charge is a spherical shell, which means the charge is only present on the surface of the sphere Dom

[edit] Closed Surface Integrals

My math prof. told me that it's not an acceptable notation in math for an integral over closed surface. can anyone please post me a ref for the notation ? —Preceding unsigned comment added by 84.108.164.54 (talk) 23:02, 27 November 2007 (UTC)