Решение задачи по физике раздел 31 пункт 94 электро

94. The distance between the plates of a plane capacitor is equal to d = 5 mm, the potential difference U = 300 V. In the lower plate is a plate of wax (ε = 2) thickness d1 = 4 mm. Determine the surface density σ ´related charges this record.

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