What is the resistance of a copper bus-bar (rectangular cross section) with the dimensions of 0.5 inch thick by 3 inches width and 4 feet long? p10.37 CM-Ω/ft 20°C
w 3 inches 3000mil h 0.5 inch 500mil A w h 3000mil * 500mil 1,500,000 CM (Circular Mils) R ρ ? / A 10.37 CM-Ω/ft * 4ft / 1,500,000 CM 27.65μΩ 20°C
