A netively charged sphere of radius b has a point charge q (q>0) embedded within its center. The sphere has a charge density ρ(r) = −Cr, C being a positive constant and r being the distance from the charge. a) What is the total charge within the sphere including Q(r) (r

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.