A ball of radius R carries a positive charge with volume density depends only on a distance r from the ball's centre as function p = p0(1-r/R) where p0 is constant. Assuming the dielectric permittivity of the ball and the environment to be equal to unity , find ;(a) the magnitude of the electric field intensity as a function of the distance r both inside and outside the ball(b) the maximum intensity Emax and the corresponding distance rm(c) draw the graphics Thanks a lot.

A ball of radius R carries a positive charge with volume density depen

1.	A ball of radius R carries a positive charge with volume density depends only on a distance r from the ball's centre as function p = p0(1-r/R) where p0 is constant. Assuming the dielectric permittivity of the ball and the environment to be equal to unity , find ;(a) the magnitude of the electric field intensity as a function of the distance r both inside and outside the ball(b) the maximum intensity Emax and the corresponding distance rm(c) draw the graphics Thanks a lot.
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