| A | B |
|---|
| Magnetic domains | Clusters of aligned atoms |
| Magnetic fields | Produced by moving charges |
| Like poles repel | Unlike poles attract |
| Electromagnet | Strength can be controled by increasing the current throught a coil wrapped around the magnet |
| Ammeter | Device used to measure current |
| Induced electric field | Produced by a changing magnetic field |
| Induced magnetic field | Produced by a changing electric field |
| Electric field | Generated by stationary charges |
| Two like magnetic poles | Repel each other |
| Two unlike magnetic poles | Two unlike magnetic poles |
| Generator | Changes mechanical energy to electric energy |
