Determine the expression for the volume charge density

Reference no: EM13251807

A spherical ball of charge has radius R and total charge Q. The electric field strength inside the ball(r?R) is E(r)=Emax(r4/R4).

Part A What is Emax in terms of Q and R?

Part B Find an expression for the volume charge density ?(r) inside the ball as a function of r.

Reference no: EM13251807

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