Copper has one conduction electron per atom

PHYSICS · Subjective · CBSE · Physics · Current Electricity · Current Electricity

Problem

Copper has one conduction electron per atom. Its density is

8.89\text{ g/cm}^3

and its atomic mass is

63.54\text{ g/mol}

. If a copper wire of diameter

1.0\text{ mm}

carries a current of

2.0\text{ A}

, what is the drift speed of the electrons in the wire?