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Chapter 7 vocab


static electricity the accumulation of excess electric charge on an object
law of conservation of charge charge can be transferred from object to object, but it cannot be created or destroyed
conductor a material in which electrons are able to move easily
insulator a a material in which electrons are not able to move easily
charging by contact the process of transferring charge by touching or rubbing
charging by induction the rearrangement of electrons on a neutral object caused by a nearby charged object
electric current the net movement of electric charges in a single direction
voltage difference related to the force that causes electric charges to flow
circuit a closed path that electric current follows
resistance the tendancy for a material to opoose the flow of electrons, changing electrical energy into thermal energy and light
ohm's law the current in a circuit equals the voltage difference divided by the resistance
series circuit the current has only one lop to flow through
parallel circuits contain two or more branches for current to move through
electric power the rate at which electrical energy is converted to another form of energy
Created by: jtorres3