Решение задачи по физике раздел 73 пункт 16 электро

16. At a certain point in the field, a force of 300 μN acts on a charge of 3 nC. Find the field strength at this point and determine the amount of charge that creates the field at this point and determine the amount of charge that creates the field if this point is 10 cm away from it.

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