Решение задачи по физике раздел 73 пункт 1 электро

1. The field is created by a point charge q. At a point spaced from the charge at a distance of r = 30 cm, the field strength E = 2 kV / m. Determine the potential φ at the same point and the charge q.

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