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

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

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

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

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

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

A long straight wire of a circular cross section (radius a ) carrying steady current. Current is uniformly distributed in the wire. Calculate magnetic field inside the region (r lt a) in the wire.

The figure shows a long striaght wire of a circular cross-section (radius a) carrying steady current I.The current I is unifromly distributed across this distance a//2 and 2a from axis is