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Mag. and Electricity

Magnetism and Electricty

TermDefinition
poles The places on a magnet where the force is the strongest
attract The pulling together of two unlike poles of a magnet
repel the pushing apart of two like poles of a magnet
magnetism the invisible force that surrounds every magnet
magnetic field the space in which the lines of force are found
lines of force lines along which a magnetic force acts
electromagnet temporary magnet created by the flow of electrons
compass magnets that align themselves with the Earth's poles
conductor a material that allows electrical energy to flow through easily
insulator materials that prevent the flow of electrons
voltage the difference in electrical potential, measured in volts
current electricity the movement of electrons which creates the flow of electricity
static electgricity the buildup of electric charge on an object that remains until it is quickly discharged.
resistance a measure of how difficult it is for electrons to flow. measure in ohms
switches used to open and close circuits
fuses & circuit breakers devices that will either melt or trip to prevent the build up of heat that may cause a fire
Created by: mrsrooney
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