Question

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 1 x 10⁻⁷ m² carrying a current of 1.5 A. Assume the density of conduction electrons to be 9 x 10²⁸ m⁻³.
A) 0.5 m/s
B) 1.5 m/s
C) 2.0 m/s
D) 3.0 m/s