Across
- 1. a single wire wrapped into a cylindrical wire coil
- 5. _________ current is electric current that reverses the direction in a regular pattern
- 7. an electric _______ is a device that changes electrical energy into mechanical energy
- 11. magnetic _________ are regions of a magnet that exert the strongest
- 13. _______ current is electric current that is always in one direction through a wire
- 14. a magnetic ________ is a region of space that surrounds a magnet and exerts a force on other magnets
- 15. the interaction between electric charges and magnets
- 16. magnetic _______ groups of atoms with aligned magnetic poles
Down
- 2. __________ force is the attractive or repulsive force between electric charges and magnets
- 3. electromagnetic ________ is the generation of an electric current by changing magnetic field
- 4. a device that increases or decreases the voltage of an alternating current
- 6. is a large wheel that rotates when pushed by water, wind, or steam
- 8. a device that uses an electromagnet to measure electric current
- 9. refers to the properties and interactions of magnets
- 10. uses electromagnetic induction to transform mechanical energy into electrical energy
- 12. temporary magnet created when there is a current in a wire coil