Likestrøm og vekselstrømSubject materialFilms and Film clipsHvordan virker likestrøm og vekselstrøm, tror du? Det har noe med retningen å gjøre. Open in subject:Construction and Control Engineering (TP-TIP vg1)Power Supply and Control Systems (EL-ELE vg1)Construction and Control Engineering (TP-TIP vg1)Electronic Circuits and Networks (EL-ELE vg1)