Download Chapter 18 Vocabulary Magnet – Any material that attracts iron or

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Transcript
Chapter 18 Vocabulary
Magnet – Any material that attracts iron or materials containing iron
Poles – The parts of the magnets where the magnetic effects are strongest
Magnetic Force – The force of repulsion or attraction between the poles of magnets
Electromagnetism – The interaction between electricity and magnetism
Solenoid –A coil of wire that produces a magnetic field when carrying an electric current
Electromagnet – A magnet that consists of a solenoid wrapped around an iron core
Electric Motor – A device that changes electrical energy into kinetic energy
Electromagnetic Induction – The process by which an electric current is produced by a changing
magnetic field
Generator – A device that uses electromagnetic induction to convert kinetic energy into electrical
energy
Transformer – A device that increases or decreases the voltage of an alternating current