Решение задачи по физике раздел 68 пункт 59 электро

59. Charges of 10-6 C each are in the corners of a square with a side of 20 cm. Determine the potential difference in the field of these charges between the center of the square and the middle of one of its sides.

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