Across
- 3. a chain of small nails suspended from a bar magnet is an example of ________ megnetism
- 5. this finger show the current direction in the left-hand rule
- 6. small pieces of iron that show the magnetic field around a bar magnet
- 8. electromagnetic induction occurs when a conductor _______ across lines of magnetic force
- 9. type of magnet that can be switched on and off
- 10. name of effect on a current-carrying conductor in a magnetic field
- 11. In a uniform magnetic field the field lines are parallel and equally ________
- 12. this is induced when a conductor is moved in a magnetic field
- 14. this uses the motor effect to produce sound waves
- 16. the name of the left-hand rule
Down
- 1. more turns of wire on a solenoid will _________ the magnetic field strength
- 2. this only flows when there is a complete circuit
- 4. this type of small compass can be used to show the direction of a magnetic field
- 7. iron is considered a _____ magnetic material because it is easily magnetised and demagnetised
- 8. used to ensure a motor keeps spinning in the same direction
- 11. an example of a hard magnetic material
- 13. type of current that constantly changes direction
- 15. These lines show the direction of the magnetic force