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Electromagnet Vocab
Term | Definition |
---|---|
Electromagnet | A temporary magnet whose magnetic field is produced by an electric current. |
Solenoid | A copper coil with an iron core that moves when an electric current moves through the copper coil. |
Electric motor | A device that converts electrical energy into mechanical energy. |
Electric generator | A device that converts mechanical energy into electrical energy. |
Permanent magnet | A piece of metal that has a permanent magnetic field. These are the everyday magnets that you think of when you heard the word magnet. |
Temporary magnet | A material that is magnetic when exposed to a magnetic field. |
Magnetic field | An area where magnetic force can be detected |
Conductive charging | Moving an electric charge through pieces of metal that are touching |
Inductive charging | Moving an electric charge through 2 items that are close but not touching |
Step-up transformer | An piece of equipment that increases voltage and decreases current |
Step-down transformer | A piece of equipment that decreases voltage and increases current |
AC current | Electric current that alternates direction (house electricity) |
DC current | Electric current that travels only in one direction (battery electricity) |