A | B |
electric charge | an electrical property of matter that creates a force between objects |
conductor | a material that transfers charge easily |
insulator | a material that does not transfercharge easily |
electric force | the force of attraction or repulsion between objects due to charge |
electric field | the region around a charged object in which other charged objects experience an electric force |
electrical potential energy | the potential energy of a charged object due to its position in an electric field |
potential difference | the charge in the electrical potential energy per unit charge |
cell | a device that is a source of electric current because of a potential difference, or voltage, between the terminals |
current | the rate that electric charges move through a conductor |
resistance | the ratio of the voltage across a conductor to the current it carries |