A thin, metallic, spherical shell of radius a = 5.0 cm has a charge qa = 4.00×10-6 C. Concentric with it is another thin, metallic, spherical shell of radius b = 10.00 cm and charge qb = 6.00×10-6 C. a) Find the electric field at radial points r where r = 0.0 cm.  b)Find the electric field at radial points r where r = 7.5 cm. c)Find the electric field at radial points r where r = 15.0 cm. d)Discuss the criterion one would use to determine how the charges are distributed on the inner and outer surface of the shells. What is the charge on the outer surface of the outer shell?

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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.