The current density in a copper wire of radius 0.750 mm is uniform. The wire's length is 5.00 m, the end-to-end potential difference is 0.200 V, and the density of conduction electrons is 8.10 × 1028 m-3. How long does an electron take (on the average) to travel the length of the wire?

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.