ELECTROMAGNETIC INDUCTION

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Across
  1. 5. who generally credited with the discovery of induction in 1831
  2. 6. High speeds produce high voltages
  3. 9. First name of Faraday
  4. 10. This voltage is called an ______ as it has been induced into the conductor by a changing magnetic field due to electromagnetic induction with the negative sign in Faraday’s law telling us the direction of the induced current
  5. 13. is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations
  6. 14. is an electromechanical measuring instrument for electric current
  7. 15. is the rate at which charge is flowing
  8. 16. First name of Maxwell
  9. 18. All electromagnetic waves move at the speed of
  10. 23. A device that exhibits significant self-inductance
  11. 25. is the production of an electromotive force across an electrical conductor in a changing magnetic field.
  12. 29. a series of circles, or a spiral made by coiling
  13. 30. A ______ is a closed loop that electrons can travel in
  14. 32. states that a current will be induced in a conductor which is exposed to a changing magnetic field
  15. 34. converts electrical energy (from the battery) into mechanical energy (rotation of the armature)
  16. 35. Placing a ____ within the coils will intensify the magnetic field
  17. 36. a coil that is Connected to a voltage source
  18. 37. a coil that is connected to a galvanometer
  19. 38. is the base unit of electric current in the International System of Units
  20. 39. converts mechanical energy into electrical energy
Down
  1. 1. are the materials or substances which allow electricity to flow through them
  2. 2. Strong magnets produce high voltages
  3. 3. a body having the property of attracting iron and producing a magnetic field external to itself specifically
  4. 4. the minus sign in Faraday’s law, signifying that the emf induced in a coil opposes the change in magnetic flux
  5. 7. negative charged subatomic particle
  6. 8. is a material's tendency to resist the flow of charge
  7. 11. These laws are inverses of each other and lead to the concept of
  8. 12. (when it is travelling in a vacuum) is 299792 kilometres per second.
  9. 17. who mathematically describe it as faraday’s law of induction.
  10. 19. A magnetic ____ is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials
  11. 20. Voltage is stepped ____ When the number of coils (turns) in the secondary < number of turns in primary
  12. 21. Many coils in the wire produce high voltages
  13. 22. The unit of inductance
  14. 24. any closed path in a circuit
  15. 26. is used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment.
  16. 27. defined as a passive electrical device that transfers electrical energy from one circuit to another through the process of electromagnetic induction
  17. 28. Voltage is stepped __ When the number of coils (turns) in the secondary > number of turns in primary
  18. 31. What is induce when a magnet and a wore move relative to each other
  19. 32. Magnetic ____ is a measurement of the total magnetic field which passes through a given area
  20. 33. Since voltages can be stepped up and down so easily, electrical power is primarily in the form of ___