find the number of free electrons in a copper conductor having a diameter of 0.064 in. and a length of 1000ft.

2 answers

**copper = 1.64*10^24 free electrons per cu in

get the volume of the copper
**convert ft to inch 12*1000 = 12000

(π(0.064/2)^2)(12000) =38.6038

38.6038(1.64*10^24)= 6.33*10^25
I can't understand