The volume charge density inside a solid sphere with the radius of sphere a = 2 cm is given by ρv = ρo (a-r)/a, where r is the distance of a point from the center of the sphere (as given in spherical coordinate system) and ρo = -3 nC/m. The region outside the sphere is free-space. Calculate the electric field intensity with unit vector notation and the electrostatic potential (by assuming zero potential at infinity) at r = 1 cm and r = 5 cm.

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The electric field intensity at r 1 cm is E o4o The ele... View the full answer