Решение задачи по физике раздел 59 пункт 90 электро

90. The charge of q = 200 nC is uniformly distributed over a spherical shell of radius What job R1 = 50 cm. And will make electrical power if the shell will expand to a radius R2 = 100 cm

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