Across
- 4. certain metals that acquire infinite conductivity (0 resistance)
- 5. the fundamental quantity that underlies all electric phenomena
- 7. this current alternates direction
- 9. materials that allow charged particles to pass through them easily
- 10. space that surrounds any charged object
Down
- 1. positive charge
- 2. when two objects rub against each other and electrons transfer
- 3. the collection or flow of electrons in the form of an electric charge
- 6. used to visualize an electric field
- 8. this current flows in only one direction