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chap. 11 vocab
Question | Answer |
---|---|
an electrical property of matter that creates a force between objects | electric charge |
material that transfers charge easily | conductor |
material that does not transfer charge easily | insulator |
force of attraction or repulsion between objects due to charge | electric force |
region around a charged object in which other charged objects experience an electric force | electric field |
potential energy of a charged object to its position in an electric field | electrical potential energy |
CHANGE in the electrical potential energy per unit charge | potential difference |
device that is a source of electric current because of a potential difference, or voltage, between the terminals | cell |
rate that electric charges move through a conductor | current |
ratio of the voltage across a conductor to the current it carries | resistance |
electrical device connected so that it provides one or more complete paths for the movement of charges | electric circuit |
graphic representation of an electric circuit or apparatus, with standard symbols for the electrical devices | schematic diagram |
circuit or protion of a circuit that provides a single conducting path | series |
components in a circuit that are connected across common points, providing two or more separate conducting paths | parallel |