Решение задачи по физике раздел 73 пункт 24 электро

24. A thread on which a charged ball with a mass of 1 g and a charge of 1 nC is suspended, deviates from the vertical by an angle of 30 ° in the electric field of a vertically charged infinite plane. Determine the surface charge density of this plane.

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