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8th CK Electricity

8th CK SCIENCE Electricity COMPLETE

TermDefinition
Proton positively charged particle
Electrical energy the energy associated with moving charges
Current the rate at which charge passes a given point
Electric circuit a complete, closed path through which electric charges flow
Insulator a material in which charges cannot easily move
Electric current a continuous flow of charge
Battery made of several cells and also converts chemical energy to electrical energy
Electrolyte a mixture of chemicals that conducts a current in a cell
Electrodes made from two different conducting materials that are in contact with the electrolyte and through which charges enter or exit
Wet cells cells that contain liquid electrolytes
Dry cells cells that contain solid or paste-like electrolytes
Load device that uses electrical energy
Switch device used to open and close a circuit
Series a circuit in which all parts are connected in a single loop
Parallel a circuit in which different loads are located on separate branches
Cell device that produces an electric current by converting chemical energy into electrical energy
Electron negatively charged particle
Electric field a region around a charged particle that exerts a force on other charged particles
Conductor material in which charges can move easily
Electrostatic force force between charged objects
Direct current a current where the charges always flow in the same direction
Alternating current a current where the charges continually switch from flowing in one direction to flowing in the reverse direction
Voltage the difference in energy per unit charge as a charge moves between two points in the path of a current
Resistance the opposition to the flow of electric charge
Electric power the rate at which electrical energy is used to do work
Created by: artisteacher
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