Electromagnetic spectrum

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Across
  1. 1. relating to sight
  2. 3. measure of the overall opposition of a circuit to current
  3. 4. branch of science concerned with the nature and properties of matter and energy.
  4. 6. violet end of the visible spectrum
  5. 7. is any source of potential damage
  6. 9. form of magnetism whereby some materials are weakly attracted by an externally applied magnetic field
  7. 11. flow of electrical charge carriers, usually electrons or electron-deficient atoms.
  8. 12. as the first Secretary of the Smithsonian Institution
  9. 16. a device that converts motive power into electrical power
  10. 19. is the rate at which current changes direction per second
  11. 20. type of transformer that is used to reduce or multiply an alternating current
  12. 21. an English scientist, developed a scientific theory to explain electromagnetic waves. An electromagnetic wave exists when the changing magnetic field causes a changing electric field
  13. 24. the production of an electrical
  14. 27. quantum mechanical effect that occurs in all materials
  15. 28. high temperature
  16. 29. roughly circular line, route, or movement that starts and finishes at the same place.
  17. 30. a disturbance that moves energy
  18. 31. wavelength from about 800 nm to 1 mm
  19. 34. states that the current induced in a circuit due to a change in a magnetic field
  20. 35. the force that attracts a body toward the center of the earth
  21. 37. defined as the opposition to the flow of current from a circuit element
  22. 38. sound that is deep and rich.
Down
  1. 2. general laws from particular instances
  2. 5. passive electrical device that transfers electrical energy
  3. 8. the SI base unit of electrical current
  4. 10. the output (secondary) voltage is greater than its input (primary) voltage
  5. 13. is checking for fractures
  6. 14. a stable subatomic particle with a charge of negative electricity
  7. 15. appear to radiate from a bright object.
  8. 17. interrelation of electric currents
  9. 18. means to supply with energy or force.
  10. 22. makes things visible.
  11. 23. wavelength in the range 0.001–0.3 m
  12. 25. ratio of the amount of electric charge stored on a conductor to a difference in electric potential
  13. 26. typically consists of an insulated wire wound into a coil.
  14. 32. His main discoveries include the principles underlying electromagnetic induction, diamagnetism and electrolysis.
  15. 33. type of magnetism in solids such as manganese oxide (MnO) in which adjacent ions that behave as tiny magnets
  16. 36. has more primary windings than the secondary side.
  17. 39. means caused by or related to heat or temperature.