Answer to Question #94664 in Electricity and Magnetism for Jian Bin Cen

Question

A spherical shell (a spherical shell is the space between two concentric spheres of different radii) with inner radius a and outer radius b is filled with a dielectric material.

The polarization of the dielectric is given as
P ⃗=k/r r ̂
where k is a constant and r is the distance from the centre of the spherical shell
Find the electric field in the regions:
r<a
a<r<b
r>b

Answer 1

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