Electromagnets 8.2 keywords
Across
- 1. A safety device in a circuit that breaks the circuit if there is too much current
- 3. The place that a compass points towards
- 4. A space where a magnetic material will experience a force
- 6. A line drawn on a field diagram that points from north to south
- 9. A type of variable where only certain values are possible
- 10. The rate of flow of charge
- 12. The name for the piece of iron inside an electromagnet that makes the magnetic field stronger
- 15. A magnetic material that is always magnetic
- 17. An iron bar that moves in an electric bell
- 19. A magnet that is only magnetic under certain conditions
- 21. A cylindrical coil of wire
- 23. The end of a magnet, it may be north or south
- 24. A type of variable where any value can be selected
Down
- 1. The point in a circuit where the circuit can be made or broken
- 2. The place that a compass points away from
- 5. The extreme value where the link between the two variables stops
- 7. Something that it magnetic when a current passes through it
- 8. A magnet that uses an electrical current to produce a magnetic field
- 11. A link that can be identified between two variables
- 13. Something that changes in an investigation
- 14. Push away
- 16. Pull towards
- 18. A magnetic object that will always have a magnetic field
- 20. A device that turns to show the direction of the magnetic field
- 22. A force that occurs even though the objects are not touching