Решение задачи по физике раздел 68 пункт 48 электро

48. Find the cross-sectional area of the silver conductor if the speed of the ordered movement of electrons in it is 0.25 μm / s at a current strength of 20 A and the concentration of conduction electrons is 5 ∙ 1028 m − 3

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