Решение задачи по физике раздел 1 пункт 24 электростат

24. Solitary metal sphere electric capacity C = 4 pF charged to a potential φ = 1 kV. Determine the energy of the field W, enclosed in a spherical layer between the sphere and concentric with it a spherical surface, the radius of which is 4 times the radius of the sphere of privacy.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use the Formula Editor