Chapter 24 Crossword Puzzle

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Across
  1. 3. includes both endpoints, opposed to an open line segment excludes both endpoints
  2. 6. to keep something away
  3. 8. A measure of electric charge equal to the charge carried by one mole of electrons, about 96,494 coulombs per mole
  4. 10. the act or process by which an electric or magnetic effect is produced in an electrical conductor or magnetizable body when it is exposed to the influence or variation of a field of force
  5. 12. having a high susceptibility to magnetization, the strength of which depends on that of the applied magnetizing field, and that may persist after removal of the applied field
  6. 17. an electric motor driven by an alternating current
  7. 18. the surface integral of the normal component of the magnetic field B passing through that surface.
  8. 19. A brown to black mineral that is strongly magnetic
  9. 20. any device for converting mechanical energy into electrical energy by electromagnetic induction, esp a large one as in a power station
  10. 22. the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.
  11. 24. the pole piece of a permanent magnet or electromagnet
  12. 25. something that causes a change in the motion of an object
Down
  1. 1. an electric motor driven by a direct current
  2. 2. a way to predict the direction of a force in a magnetic field
  3. 4. each of the two points or regions of an artificial or natural magnet to and from which the lines of magnetic force are directed
  4. 5. An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a current-carrying coil in a magnetic field
  5. 7. a branch of physics involving the study of the electromagnetic force
  6. 9. The magnetic force on this is perpendicular to both the wire and the magnetic field with direction given by the right hand rule.
  7. 11. Changes in direction or orientation of the magnetic field of the Earth that have occurred from time to time.
  8. 13. a unit of magnetic field strength equivalent to 79.58 amperes per meter.
  9. 14. Most likely invented the magnetic compass
  10. 15. an instrument containing a magnetized pointer that shows the direction of magnetic north and bearings from it
  11. 16. a region within a magnetic material in which the magnetization is in a uniform direction
  12. 21. A current carrying coil of wire that acts like a magnet when a current passes through it
  13. 23. to draw by a physical force causing or tending to cause to approach