Решение задачи по физике раздел 68 пункт 81 электро

81. A point charge of 2 ∙ 10−6 C is located near a charged infinitely extended plane. Under the influence of the field, the charge moves along the field line to a point located at a distance of 2 cm from the plane. In this case, the work is 0.5 J. Find the surface charge density of the plane.

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