A very long hollow thick walled cylinderical wire has uniform current density given by the expression J=Ar2 Into the page where are is the distance from the center of the wire the water has inner radius a an outer radius be in terms of A a b c u0 what is the magnitude of the magnetic field at a point P a distance c from the center of the wire explain reasoning and show work

A very long hollow thick walled cylinderical wire has uniform current density given by the expression J=Ar2 Into the page where are is the distance from the center of the wire the water has inner radius a an outer radius be in terms of A a b c u0 what is the magnitude of the magnetic field at a point P a distance c from the center of the wire explain reasoning and show work