A copper wire  carries a current  of density `f = 1.0 A//mm^(2)`. Assuming  that one  free electron
Channel: Doubtnut
Date: 2020-08-23

A copper wire  carries a current  of density `f = 1.0 A//mm^(2)`. Assuming  that one  free electron  corresponds to each cooper atom, evalutea the distance  which  will be covered  by an  electron  during  its displacement  `l = 10mm` along the wire.