A long straight conducting solid cylindrical wire of radius R carries a steady current / that is uniformly distributed throughout the cross section of the wire. Draw graph of magnetic field B versus r (where r is distance from the axis of the wire)

A cylindrical long wire of radius R carries a current I uniformly distributed over the cross sectional area of the wire. The magnetic field at a distance x from the surface inside the wire is

A long thick conducting cylinder of radius 'R' carries a current uniformly distributed over its cross section :

A long straight wire of radius a carries a steady current i . The current is uniformly distributed across its cross section. The ratio of the magnetis field at (a)//(2) and (2a) is

A long staright wire of radius a carries a steady current I . The curent is unifromly distributed over its cross-section. The ratio of the magnetic fields B and B' , at radial distances (a)/(2) and 2a respectively from the axis of the wire is:

A long straight wire of radius 10mm carries a current uniformly distributed over its cross section. The ration of magnetic fields due to the wire at distance of 5mm and 15 mm, respectively from the axis of the wire is

A long straight wire of radius 10mm carries a current uniformly distributed over its cross section. The ration of magnetic fields due to the wire at distance of 5mm and 15 mm, respectively from the axis of the wire is

A long, cylindrical wire of radius b carries a current i distributed uniformly over its cross section. Find the magnitude of the magnetic field at a point inside the wire at a distance a from the axis.

A uniform current I is flowing in a long wire of radius R . If the current is uniformly distributed across the cross-sectional area of the wire, then

A long straight wire of a circular cross-section of radius 'a' carries a steady current I. The current is uniformly distributed across the cross-section. Apply Ampere's circuital law to calculate the magnetic field at a point at distance 'r' in the region for (i) rlta and (ii) rgta .

Figure shows a long straight wire of a circular cross-section (radius a) carrying steady current l. The current l is uniformly distributed across this cross-section. Calculate the magnetic field in the region r lt a and r gt a