Question
Thu February 21, 2008 By:

Why are copper and aluminium wires usually employed for electrical transmission ?

Expert Reply
Fri February 22, 2008

Why are copper and aluminium wires usually employed for electrical transmission ?

Copper and aluminium have a large number of free electrons and possess small resistivity. Hence, they are good conductor of electricity and usually employed for electrical transmission.

 

Rgds

Physics Expert

Home Work Help