| A | B |
|---|
| AC | Electric current that flows first in one direction and then the other |
| DC | Electric current that flows in only one direction |
| volt | SI unit of voltage |
| amperage | the rate of flow of an electric current |
| watt | SI unit of power |
| insulators | materials through which electric current does not easily flow |
| conductors | materials through which electric current easily flows |
| resistance | the amount a certain object or material hinders electron flow |
| superconductor | a material that allows current to flow through it with absolutely no hindrance |
