Across
- 2. a device used for navigation
- 5. material that attracts iron
- 6. charges that flow in one direction
- 7. where a compass needle points
- 10. increases and decreases voltage
- 11. transforms mech. energy to elec. energy
- 13. map out magnetic fields
- 14. relat. between elctricity and magnets
Down
- 1. constantly reversing
- 3. attraction between the poles
- 4. magnetic force around a magnet
- 5. a magnet has two of these
- 8. the attraction and repulsion
- 9. something that powers something else
- 12. measures small currents
