Which row correctly describes the movement of free (delocalised) electrons and positive metal ions when an electric current conduction occurs through a metal wire?
Free electrons: drift through the wire; Positive metal ions: vibrate about fixed positions
Free electrons: vibrate about fixed positions; Positive metal ions: drift through the wire
Free electrons: drift through the wire; Positive metal ions: drift through the wire
Free electrons: vibrate about fixed positions; Positive metal ions: vibrate about fixed positions
51 exam-style questions on CIE IGCSE Physics 4.2.2a Electric current, charge and measuring current. Each one has a worked solution and a mark scheme showing where the marks go.