25. The solenoid of diameter d = 3 cm has a monolayer of tightly winding contiguous coils of wire of aluminum (ρ = 26 nom • m) with a diameter d1 = 0,3 mm. As the solenoid current flows I0 = 0,5 A. Determine the quantity of electricity Q, flowing through the solenoid, if it ends short circuit.

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