{{ /effective_cu_wire_area_magnetica.png?500 }} [[/Enamelled wire]] 0.01 mm [[/grade 3]] (G3) has proportionally much larger proportion of [[/insulation]] in the [[/cross-sectional area]] than 0.500 mm [[/grade 1]] (G1) wire. effective_cu_wire_area_magnetica.png {{page>insert/file-sz-cc}} {{tag> Enamelled_wire Enamel Copper_wire Cross-sectional_area Effective_area Files}}