If as long cylindrical coductor carreis a steady current parallel to its length, then

The resistivity of cylindrical conductor carrying steady current along its length varies linearly with the distance from the current carrying end as given by rho=rho_(0)(1+(x)/(l)) where l is the length of the conductor and x is the distance from the current entry and. rho_(o) is a positive constant.

A thin but long, hollow, cylindrical tube of radius r carries a current i along its length. Find the magnitude of the magnetic field at a distance r/2 from the surface (a) inside the tube (b) outside the tube.

A thin but long, hollow, cylindrical tube of radius r carries a current i along its length. Find the magnitude of the magnetic field at a distance r/2 from the surface (a) inside the tube (b) outside the tube.

A thin but long, hollow, cylindrical tube of radius r carries a current i along its length. Find the magnitude of the magnetic field at a distance r/2 from the surface (a) inside the tube (b) outside the tube.

A long wire in the shape of a cylindrical shell of inner and outer radii R/2 and R respectively carries a steady current I in a direction parallel to its length. This current is uniformly distributed across the area of cross-section of the wire. The magnetic field intensity at a point at a distance (3R)/4 from the axis of the wire is m((mu_(0)I)/(pi R)) .. The value of m is _________.

A long wire in the shape of a cylindrical shell of inner and outer radii R/2 and R respectively carries a steady current I in a direction parallel to its length. This current is uniformly distributed across the area of cross-section of the wire. The magnetic field intensity at a point at a distance (3R)/4 from the axis of the wire is m((mu_(0)I)/(pi R)) .. The value of m is _________.

A square loop, carrying a steady current I, is placed in a horizontal plane near a long staright conductor carryinf a steady current I , at a distance d from the conductor as shown in Fig. The loop wil experience

A long cylindrical wire carries a steady current which is uniformly distributed across its cross section. Which of the following is true?