A non-conducting solid sphere with volumetric charge density pa and radius a , is surrounded by a conducting spherical shell conducting spherical shell of inner radius a and outer radius b with bulk charge density charge density pb . Find the expression for the magnitude of the electric field for: (a) points inside the central non conducting central sphere. b) Points outside the central non-conducting sphere and inside the shell. and inside the spherical shell. spherical shell. c) Points outside both cylinders.

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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.