Compléter 2º ESO - Electric charges and currentsVersion en ligne Fill the gaps par Yanet Rivero 1 charges movement closed conductor Electricity is produced by the of electric through a in a circuit . 2 negative charge protons electrons positive nucleus Atoms are made up of a nucleus and a shell . The contains and neutrons . In the shell , orbit around the nucleus . Neutrons do not have an electric . Protons have a charge , whilst electrons have a charge . 3 repel different repulsion Charges Forces of attraction and are produced between electrical charges . with the same sign one another , while those with sign attract one another . 4 batteries Alternating change grid same two There are different types of electric currents . Direct current , which are produced by and cells , where the electrons always move in the direction . currents , which reach our homes through the electricity , where electrons direction periodically .
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