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Section 7-1 Vocab

QuestionAnswer
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 (A)
voltage difference related to the force that causes electric charges to flow; measured in volts (V)
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 resistance
series circuit circuit in which electric current has only one path to follow
parallel circuit circuit in which electric current has more than one path to follow
electrical power rate at which electrical energy is converted to another form of energy
Created by: Kacey Jones
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