Across
- 7. converts mechanical energy into electricity
- 9. an electromagnet with a coil that converts electricity into mechanical energy
- 10. path electricity travels on
- 14. device used to increase electrical signals
- 15. Movement of electric charge
- 16. energy produced by movement of electrons
- 17. a substance conducts electricity in a controlled way
Down
- 1. a device that changes electric power into mechanical power
- 2. magnet which uses electricity to control strength
- 3. something with two to limit electrical current flow
- 4. resistance caused by one object moving over another
- 5. measure of strength of an electric current
- 6. forces that slow or impede electrical current
- 8. objects are drawn toward each other
- 11. A material that transmits electricity
- 12. objects are pushed away from each other
- 13. attraction and repulsion of electrons