Chapter 24 Crossword
Across
- 2. mined ore which is made mostly of iron
- 4. a rock that is rich in both magnesium and irom
- 5. a process where a conductor is moved through a magnetic field
- 6. Chinese Mariner, and was born of Ma He muslin Family
- 9. helps form permanent magnets due to the electrons spinning parallel of each other
- 11. has a law which states that electrical current can make a magnetic field
- 12. has four cardinal directions and points towards the north pole
- 14. changes the motion of an object
- 15. to determine the direction of the magnetic force on a positive moving charge, ƒ, point the thumb of the right hand in the direction of v, the fingers in the direction of B
- 16. a cylinder that carrys an electrical current
- 18. opposite charges
- 19. a cable with current that is surrounded by rubber to avoid shock
- 21. one at the most Northern and Southern point of the Earth
- 22. a region where the magnetization is a unifrom direction.
- 24. a line segment
- 25. converts motvie power to electrical power
Down
- 1. an tool used to measure small electrical currents
- 3. rotating coils on an electric motor
- 7. where the magnetic north and south are switched
- 8. metal cored made inot a magnet which can allow electrical current to go through. Has a coil surrounding it
- 10. the making of new oceanic crust, and it occurs with magma at oceanic ridges
- 13. surface integral of the normal component of the magnetic field
- 17. used my alternating current
- 20. equals 96485.3329 coulombs
- 23. rotary motor that can turn electrcial enegrgy inot mechanical energy
- 26. same charges