Решение задачи по физике раздел 33 пункт 57 электро

57. In a circular contour radius R = 20 cm, immersed in liquid oxygen (magnetic susceptibility of liquid oxygen χ = 3,4 · 10-3), a current flows. Determine the current in the circuit if the magnetization J in the center thereof was 3.4 mA / m.

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