click below
click below
Normal Size Small Size show me how
Electric + magnetism
| Term | Definition |
|---|---|
| Magnetism | Force of attraction or repulsion of magnetic materials. |
| magnetic field | Surrounds a magnet that applies a force without actually touching an object. |
| Electric current | A coil of wire spinning around a magnet can form this. |
| Magnet | An electric current flowing through a wire around an iron core produces this. |
| Electromagnet | This can be made when a wire in an electric circuit is wrapped around an iron core making a magnetic field. |
| Motor | This changes electrical energy into mechanical energy. |
| Generator | This changes mechanical energy into electrical energy. |
| Turbine | Huge Wheels in an generator pushed by water, wind, or steam. |
| Repel | Like poles in a magnet do this. |
| Attract | Unlike poles of magnet do this. |