Лаг1989 задача №14.4

A coaxial electrical cable consists of a central core and a cylindrical shell concentric with it, between which there is insulation. Find the capacitance C₁ units of the length of such a cable, if the radius of the core R₁ = 1.3 cm; shell radius R₂ = 3 cm, dielectric constant of insulation 3.2.

Thank you for your purchase.