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69 True/False questions

  1. phirepresents magnetic flux

          

  2. attracted/repelledUnlike poles

          

  3. IThumb (Third Right Hand Rule)

          

  4. Magnetic Fieldsa region where a magnetic force can be detected

          

  5. 50μTmagnetic field (T)

          

  6. The curl of your fingers_____ indicates magnetic field direction(first hand rule)

          

  7. Magnetic FieldsDrawn from N to S

          

  8. strongerLike poles

          

  9. south magnetic poleCurrent in a wire causes

          

  10. temporary magnetMagnets can polarize non-magnetic materials - making a

          

  11. magnetizedA metal rod placed inside the coil will become

          

  12. domainsMagnetic fields create

          

  13. Monopoles_____ don't exist

          

  14. Hans Christian Oerstedgun positioning

          

  15. circular pathfingers show _____(Second Right-Hand Rule)

          

  16. attractUnlike poles

          

  17. north

          

  18. Icurrent (A)

          

  19. polarizedMagnetic fields create

          

  20. magnetic field strength

          

  21. Solenoidsa coil of wire with an electric current in it

          

  22. βvelocity of the charge (m/s)

          

  23. perpendicularLike poles

          

  24. North (N) to South (S)field lines drawn from

          

  25. LodestoneLike electric charge, magnetic forces can work at a

          

  26. GalvanometersMeasures small current

          

  27. Magnetic Fluxexist around the ends of a magnet

          

  28. repelLike poles

          

  29. forcesThumb (Third Right Hand Rule)

          

  30. GalvanometersUses the force from the magnetic field produced by current in wire to move a needle for reading I or V

          

  31. First Right-Hand RuleOnly for positive charges

          

  32. Magnetic Fieldsa region where a magnetic force can be detected

          

  33. Circle with an XA charge moving through a magnetic field follows a

          

  34. electromagnetHigher current =

          

  35. qcharge (C)

          

  36. magnetic domainsare electrons spinning in the same direction

          

  37. magnetic field directionthumb shows____ (Second Right-Hand Rule)

          

  38. Second Right-Hand RuleUsed to determine the direction of a magnetic field

          

  39. βThumb (Third Right Hand Rule)

          

  40. Circle with a dotForce out of the page

          

  41. solenoidCoil of wire with many loops

          

  42. Magnetic FluxHelps define the strength of a magnetic field - number of field lines in a particular area around a magnetic

          

  43. Thumb____ points in direction of current flow (first hand rule)

          

  44. perpendicularThe compass needle pointed_____ to the wire's current flow

          

  45. UnmagnetizedA metal rod placed inside the coil will become

          

  46. distanceFirst discovered magnet by ancient Greeks

          

  47. Βarea of material generating magnetic field

          

  48. tiny electromagnetEach electron in a magnet acts like a

          

  49. walking & talkingthumb does the ____ and fingers do the____ (first hand rule)

          

  50. repulsionOpposite current direction causes

          

  51. talking & walkingthumb does the ____ and fingers do the ____ (Second Right-Hand Rule)

          

  52. magnetic fieldCurrent in a wire causes

          

  53. Aarea of material generating magnetic field

          

  54. βIndex finger (Third Right Hand Rule)

          

  55. Magnetized domainsA metal rod placed inside the coil will become

          

  56. strong magnetic fieldIncreasing loops =

          

  57. Third Right Hand RuleUsed to determine the direction of a magnetic field

          

  58. aluminum, nickel, and cobalt (called ALNICO)Each electron in a magnet acts like a

          

  59. varea of material generating magnetic field

          

  60. stronger magnetic fieldHigher current =

          

  61. current flowfingers show _____(Second Right-Hand Rule)

          

  62. Third Right Hand RuleOnly for positive charges

          

  63. Permanent magnetsHigher current =

          

  64. magnetic fieldDrawn from N to S

          

  65. llength of wire (m)

          

  66. F on the wireA metal rod placed inside the coil will become

          

  67. Magnetic Fluxnumber of field lines per unit area and denotes field strength

          

  68. Third Right Hand Rulegun positioning

          

  69. stronger magnetA magnetic with a greater flux value is ______ than one with a lower flux value