Решение задачи по физике раздел 23 пункт 82 электро

82. In the corners of a square with sides of 0.5 m are charges of the same size. In the case when two adjacent positive charge and the other two - negative, the field strength in the center of the square is 144 V / m. Determine the charge.

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