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Int. Sci. Ch. 17

QuestionAnswer
Electric Charge An electrical property of matter that creates electric and magnetic forces and interactions
Conductor A material in which charges can move freely
Insulator A material in which charges cannot move freely
Semiconductor An element/compound that conducts electric current better than an insulator does, but not as well as a conductor does
Superconductor A material that conducts electricity with zero resistance
Electric Force The force of attraction/repulsion on a charged particle that's due to an electric field
Electric Field The space around a charged object in which another charged object experiences an electric force
Potential Difference The voltage difference in potential between two points in a circuit
Electric Current The rate at which charges pass through a given point
Electric Potential Energy The ability to move an electric charge from one point to another
Resistance The opposition presented to the current by a material/device
Electric Curcuit A set of electrical components connected such that they provide one or more complete paths for the movement of charges
Series Curcuit A circuit in which the parts are joined one after another such that the current in each part is the same
Parallele Curcuit A circuit in which the parts are joined in branches such that the potential difference across each part is the same
Electric Power The rate at which electrical energy is converted into other forms of energy
Fuse An electrical device that contains a metal strip that melts when current in the circuit becomes too great
Circuit Breaker A switch that opens a circuit automatically when the current exceeds a certain value
Created by: archergirl
 

 



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