How far must the sea of electrons in the wire move to deliver -38.0 nC of charge to an electrode?

Question

How far must the sea of electrons in the wire move to deliver -38.0 nCnC of charge to an electrode?

Answer 1

From the question of http://www.mathskey.com/question2answer/33353/how-must-the-sea-electrons-wire-move-deliver-charge-electrode:

The diameter of gold wire is .

The number of free electrons in gold wire is  per unit volume.

.

The number of electrons in  is .

The electrons move to a distance of .

.

The electrons move to a distance of .