Решение задачи по физике раздел 72 пункт 3 электро

3. Determine the work that needs to be done to increase the distance between the plates of a flat capacitor from 0.5 to 0.8 cm. The area of the plates is 400 cm2, the charges on them are ± 8 nC, the capacitor is disconnected from the source.

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