https://moje.zpe.gov.pl/a/anonymous/D13tTp7dL/7ik8rrWl
https://learningapps.org/watch?v=pnmn2isqj20
https://zdalni.sp3gryfino.pl/phet/phet/circuit-construction-kit-dc_pl.html
https://quizizz.com/admin/quiz/5eb1282486441b001c0d7560/elementy-elektroniki