please answer the questions below

\fWhat is the current in a wire of radius R = 2.44 mm ifthe magnitude cfthe current density is given by (a) J'a = Jon'R and [bi Jb = Jail - HR} in which r is the radial distance and JG = 4.94 X 104Nm2? [12) Which function maximizes the current density near the wires surface? {a} Number Units V [bi Number n Units V M. v