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chapter 7 vocab

Electricity

TermDefinition
static electricity the accumulation of excess electric charge on an object
law of conservation of charge states that charge can be transferred from one object to another but cannot be created or destroyed
conductor material, such as copper wire, in which electrons can move easily
insulator material in which electrons are not able to move easily
charging by contact process of transferring charge between objects by touching or rubbing
charging by induction process of rearranging electrons on a neutral object by bringing a charged object close to it
electric current the net movement of electric charges in a single direction, measured in amperes
voltage difference related to the force that causes electric charges to flow
circuit closed conducting loop through which an electric current can flow
resistance tendency for a material to oppose electron flow and change electrical energy into thermal energy and light; measured in ohms
Ohm's law states that the current in a circuit equals the voltage difference divided by the resistence
series circuit
parallel circuit
electrical power
Created by: mrcrossno
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