Why are copper and aluminium wires usually employed for electricity transmission?
Copper and aluminium are good conductors of electricity also they have low resistivity. So they are usually used for electricity transmission.
Copper and aluminium wires are used for electrical transmission because they have a low resistance, which makes them good conductors of electricity.
Concept: Effects of Electric Current - Heating Effect of Electric Current
Is there an error in this question or solution?
Video TutorialsVIEW ALL 
Video Tutorials For All Subjects
- Effects of Electric Current - Heating Effect of Electric Current