2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/117800The first purpose of this note is to give a partial exposition of the $l$-adic realization of Nori's category of motives. The second one is to give a simple description of the second $l$-adic Abel-Jacobi map.10 pages. On the revised version: A comment on Beilinson's work is added in the introduction. Acknowledgements are changedAlgebraic Geometry14C25; 14F20text