A long cylidrical conductor of radius `R` carries a current i as shown in figure. The current desity `J` is a function of radius according to `J=br`, where `b` is a constant. Find an expression for the magnetic field `B`

a. at a distasnce `r_1ltR` and
b.at a distance `r_2gtR,` measured from the axis.

A long cylindrical conductor of radius R carries a current i as shown in the figure. The current density J varies across the cross-section as J = kr^(2) , where, k is a constant. Find an expression for the magnetic field B at a distance r (lt R) from the axis

A long cylindrical conductor of radius R carries a current i as shown in the figure. The current density J varies across the cross-section as J = kr^(2) , where, k is a constant. Find an expression for the magnetic field B at a distance r (lt R) from the axis

A long cylindrical conductor of radius R carries I as shown. The current density is a function of radius r as j = br, where b is a constant. The magnetic field at a distance r_(1)(r_(1)ltR) is

A solid cylindrical conductor of radius R carries a current along its length.The current density J_(1) however, is not unifrom over the cross section of the conductor but is a function of the radius according to J=br , where b is a constant.the magnetic field B at r_(1) lt R is (mu_(0)b r_(1)^(2))/N .Then find value of N

Consider an infinite long cylinderical conductor of radius R carrying a current I with a non uniform current density J=alphar where a is a constant. Find the magnetic field for inside and outside prints.

Suppose that the current density in a wife of radius a varies with r according to J = Kr^(2) , where K is a constant and r is the distance from the axis of the wire. Find the megnetic field at a point distance r from the axis when (a) r a