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Chapter 18 vocab:)
Word | Definition |
---|---|
magnet | any material that attracts iron or materials containing iron |
magnetic pole | one of two points, such as the ends of a magnets, that have opposing magnetic qualities |
magnetic force | the force of attraction or repulsion generated by moving or spinning electric charges |
electromagnetism | the interaction between electricity and magnetism |
solenoid | a coil of wire with an electric current in it |
electromagnet | a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil |
electric motor | a device that converts electrical energy into mechanical energy |
electromagnetic induction | the process of ceating a current in a circut by changing a magnetic field |
electrical generator | a device that converts mechanical energy into electrical energy |
transformer | a device that increase or decreases the voltage of alternating current |