Решение задачи по физике раздел 73 пункт 32 электро

32. An equally charged ball weighing 50 mg and a charge of 10–10 C is suspended from a thread to an infinite uniformly charged vertical plane. The tension force of the thread on which the ball hangs is 7 ∙ 10−4 N. Find the surface charge density in the plane.

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