| A | B |
|---|
| Magnetic field | Created by moving charges |
| Electric field | Generated by stationary charges |
| Two like magnetic poles | Repel each other |
| Two unlike magnetic poles | Attract each other |
| Magnetic domains | Clusters of aligned atoms |
| Electromagnet | Current carrying coil of wire |
| Magnetosphere | Earth's magnetic field |
| Magnetic induction | Induced voltage |
| Generator | Changes mechanical energy to electric energy |
| Motor | Changes electrical energy to mechanical energy |
| Transformer | Increases or decreases voltages |
| Induced magnetic field | Electric field changing with time |
