Решение задачи по физике раздел 63 пункт 56 электро

56. The solenoid winding iron core comprises N = 600 turns. l = core length of 40 cm. With drawing, determine how many times to change the inductance of the solenoid, if the current flowing through the coil to increase from 0.4 to 1 A.

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