Before revision: upright=0.8|An ingot of monocrystalline silicon A semiconductor is a material that has an electrical conductivity value falling between that of a conductor, such as copper , and an insulator, such as glass.
After revision: upright=0.8|An ingot of monocrystalline silicon A semiconductor is a material that has an electrical conductivity value falling between that of a conductor, such as silver , and an insulator, such as glass.