| A | B |
| electric fields | exits around charged object |
| magnetic field | area around magnet |
| magnetic domain | atoms aligend in the same direction |
| direct current | flows in one direction only |
| alternating current | current that reverses directions |
| electromagnet | when current flows through a wire coil |
| electromagnetic induction | generating a current through a circuit |
| transformers | decrease or increase the voltage |
| commutator | the loops to rotate 360 degrees |
| equivalent ressitance | sum of all individual resistances |
| voltage | unit equal to one joule |
| resistance | determines the current flow |
| current | charged particles |