Решение задачи по физике раздел 68 пункт 33 электро

33. What voltage should be applied to a coil having 1000 turns of copper wire with an average diameter of turns of 6 cm, if the permissible current density is 2 A / mm2, the specific resistance of copper is 1.75 ∙ 10–8 Ohm • m?

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