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Electricity

Chapter 6

TermDefinition
Law of conservation of charge Charge can be transferred from object to object, but it cannot be created or destroyed.
Electric field Surrounds every electric charge and exerts force that causes other electric charges to be attracted or repelled.
Conductor A material through which electrons move easily.
Insulator A material in which electrons are not able to move easily.
Electroscope A device that can detect electric charge.
Electric current The net movement of electric charges in a single direction.
Electric circuit A closed path that electric current follows.
Resistance The tendency for a material to resist the flow of electrons and to convert electrical energy into other forms of energy.
Series circuit An electric circuit with only one branch.
Parallel circuits Contain two or more branches for current.
Electrical power The rate at which electrical energy is converted to another form of energy.
Ohm's law The current in a circuit equals the voltage difference divided by the resistance.
Voltage difference Related to the force that causes electric charges to flow.
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 charges object.
Static electricity The accumulation of excess electric charge on an object.
Created by: Valerie19
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