Решение задачи по физике раздел 60 пункт 23 электро

23. Non-conductive thin disk of radius R, uniformly charged on one side with a surface density σ, rotates around its axis with angular velocity ω. To find:
a) the magnetic field induction in the center of the disc;
b) the magnetic moment of the drive.

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