24. Infinitely long solenoid of length l = 0,8 m is a single-layer coil of aluminum wire mass m = 400 g Determine the relaxation time τ for this solenoid. The density and the resistivity of aluminum are, respectively, ρ = 2,7 g / cm3 and ρ '= 26 m • nom.

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