Assuming That the Drift Velocity in a Wire of with Cross

Assuming that the drift velocity in a wire of with cross sectional area 69 mm² is 4.12 * 10^-8 m/s and the current in the wire is current I = 30 mA,what is the density of electrons in the wire?

A) 0.812 * 10²⁹ electrons per m³
B) 0.845 * 10²⁹ electrons per m³
C) 0.702 * 10²⁹ electrons per m³
D) 0.756 * 10²⁹ electrons per m³
E) 0.660 * 10²⁹ electrons per m³