A copper wire of diameter 1.0 mm carries a current of 0.2 A. Copper has `8.4xx10^(28)` atoms
Channel: Doubtnut
Date: 23/08/2020

A copper wire of diameter 1.0 mm carries a current of 0.2 A. Copper has `8.4xx10^(28)` atoms per cubic metre. Find the drift velocity of electrons, assuming that one charge carrier of `1.6xx10^(-19)` C is associated with each atom of the copper.