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Electricity Unit 3

TermDefinition
electric charge a property that leads to electromagnetic interactions between the particles that make up matter
static electricity the buildup of electric charge on an object
electrical conducter a material through which charges can move freely
electrical insulator a material through which charges cannot move easily
semiconductor a special class of materials that conduct electric charge better than electrical conductors
electric current the rate of flow of electric charges
voltage the amount of work required to move each unit of charge between two points
resistance the opposition to the flow of the electric charge
electric ciruit a complete closed path through which electric charges flow
series circuit all parts are connected in a row that forms one path for the electric charges flow
parallel circuit electric charges have more than one path that they can follow
magnet material that attracts iron or objects made of iron
magnetic force when two magnets come together and exert a push or pull
magnetic pole two magnets can push each other apart because of there ends
magnetic field the area surrounding a magnet where magnetic forces can be detected
elctromagnetism a relationship between electricity and magnetism
solenoid a coil of wire that carries an electric current and therefore produces a magnetic field
electromagnetic combines the magnetic field of the solenoid with the magnetic field of the magnetized iron core
electric motor changes electrical energy into mechanical energy
electromagnetic induction using a magnetic field to create an electric current in a wire
transformer an important device that relies on electromagnetic induction
electric generator use induction to change mechanical energy into electrical energy
Created by: 18phillipsa0222
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