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Electricity

TermDefinition
electric charge a fundamental property that leads to the electromagnetic interactions among particles that make up matter
static electricity electric charge at rest; generally produced by friction or induction
electrical insulator a material in which charges cannot move freely
insulator a substance or device which does not readily conduct electricity
conductor an object or type of material that allows the flow of charge (electrical current) in one or more directions
semiconductor an element or compound that conducts electric current better than an insulator does but not as well as a conductor does
electric current the rate at which electric charges pass a given point
resistance in physical science, the opposition presented to the current by a material or device
voltage the amount of work to move a unit electric charge between two points expressed in volts
electric circuit a set of electrical components connected such that they provide one or more complete paths for the movement of charges
series circuit a circuit in which the parts are joined one after another such that the current in each part is the same
parallel circuit a circuit in which the parts are joined in branches such that the voltage across each part is the same
AC (alternating current) an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies
DC (direct current) an electric current flowing in one direction only
Created by: kdominick
 

 



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