ManuelVela7Versión en línea electrical properties of materials por tekneso tekno 1 They allow electric current to pass through them a conductors b insulators c semiconductors 2 They don’t allow electric current to pass through them a conductors b insulators c semiconductors 3 Wood, Plastics, Ceramics, Glass and Air a conductors b insulators c semiconductors 4 They sometimes conduct or don’t the electric current a conductors b insulators c semiconductors 5 The most important materials of this type are silicon and germanium a conductors b insulators c semiconductors