Across
- 2. It is formed by protons and neutrons
- 4. Eectrons which can be drawn away from the atom
- 5. Movement of electrons towards specific direction
- 6. Materials that resist current flow
- 7. The smallest particle of an element
- 9. The electrons do that around the nucleus
- 12. Materials that conduct current
- 13. The electric charge of electrons
Down
- 1. Opposition to current flow
- 3. The force produced by generators, batteries
- 8. Atoms are made up of electrons, protons and ....
- 10. The electric charge of protons
- 11. The difference in electrical pressure
- 14. They are used to measure intensity of current