How to calculate the resistance of a copper wire that is 1 km long and that has a diameter of 6 mm (take the resistivity of copper as 1,72×10^-8) - Quora
![resistivity - I am trying to make a electro magnet. I bought a coil of enamel copper wire from Ebay. How do I determine its resistance? - Electrical Engineering Stack Exchange resistivity - I am trying to make a electro magnet. I bought a coil of enamel copper wire from Ebay. How do I determine its resistance? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/A4KpQ.jpg)
resistivity - I am trying to make a electro magnet. I bought a coil of enamel copper wire from Ebay. How do I determine its resistance? - Electrical Engineering Stack Exchange
![SOLVED:A copper bus bar carrying 1200 A has a potential drop of 1.2 mV along 24 cm of its length. What is the resistance per meter of the bar? SOLVED:A copper bus bar carrying 1200 A has a potential drop of 1.2 mV along 24 cm of its length. What is the resistance per meter of the bar?](https://cdn.numerade.com/previews/e145ed92-808b-461c-b7c3-e2aac48f5fe1_large.jpg)
SOLVED:A copper bus bar carrying 1200 A has a potential drop of 1.2 mV along 24 cm of its length. What is the resistance per meter of the bar?
![Amazon.com: Enameled copper wire 3 kinds of specifications, 10 meters per roll for make science project, 4WD motor rotor winding : Arts, Crafts & Sewing Amazon.com: Enameled copper wire 3 kinds of specifications, 10 meters per roll for make science project, 4WD motor rotor winding : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/5149yLJ9OML._AC_UF894,1000_QL80_.jpg)
Amazon.com: Enameled copper wire 3 kinds of specifications, 10 meters per roll for make science project, 4WD motor rotor winding : Arts, Crafts & Sewing
![SOLVED:ssm A piece of copper wire has a resistance per unit length of 5.90 ×10^-3 Ω/ m . The wire is wound into a thin, flat coil of many turns that has SOLVED:ssm A piece of copper wire has a resistance per unit length of 5.90 ×10^-3 Ω/ m . The wire is wound into a thin, flat coil of many turns that has](https://cdn.numerade.com/previews/dd77beb3-fb3c-4c34-b0eb-725b41473840_large.jpg)