34. On the circular contour surrounding area S40 cm2 current flows I = 5 A. To determine the magnetic flux generated by this current through the ring area, which lies in the plane of the loop. Ring center coincides with the center of the contour of the ring outer radius r2 = 4 m and an internal r1 = 2 m.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)