Significance of Electromagnetism

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Across
  1. 3. a two-terminal device which can maintain a fixed voltage
  2. 5. A negatively charged subatomic particle.
  3. 6. A straight line at an angle of 90° to a given line, plane, or surface.
  4. 7. pressure from an electrical circuit's power source that pushes charged electrons
  5. 10. a device that converts motive power into electrical power for use in an external circuit
  6. 12. A device that can be connected to the switch and the appliance.
  7. 14. runs continuously
  8. 16. A component for producing inductance
  9. 21. The electrical action produced by a non-electrical source.
  10. 23. A coil with an iron core is called an _____________
  11. 24. number of magnetic field lines passing through a given closed surface
  12. 26. strength or energy as an attribute of physical action or movement
  13. 29. A basic law of electromagnetism predicting how a magnetic field will interact with an electric circuit to produce an electromotive force (EMF)—a phenomenon known as electromagnetic induction.
  14. 31. Winding of a transformer that is connected to and receives energy from an external source of electrons.
  15. 32. material or object that produces a magnetic field
  16. 35. An electromechanical measuring instrument for electric current.
  17. 36. Relating to the motion of material bodies and the forces and energy associated therewith.
  18. 37. a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials
  19. 38. Winding of a transformer that receives its energy by electromagnetic induction from the primary winding.
  20. 39. The basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets.
Down
  1. 1. A machine that converts electrical energy to mechanical energy.
  2. 2. A device that supplies electrical power to a circuit in the form of a voltage source or a current source.
  3. 4. A soft, malleable, and ductile metal with very high thermal and electrical conductivity.
  4. 8. The production of an electromotive force across an electrical conductor in a changing magnetic field.
  5. 9. a Scottish scientist who formulated the classical theory of electromagnetic radiation, bringing together for the first time electricity, magnetism, and light as different manifestations of the same phenomenon.
  6. 11. a branch of physics that deals with electromagnetic force
  7. 13. An object or type of material that allows the flow of charge (electrical current) in one or more directions.
  8. 15. Produced by machines or machinery.
  9. 17. a roughly circular line, route, or movement that starts and finishes at the same place
  10. 18. Waves that are created as a result of vibrations between an electric field and a magnetic field.
  11. 19. Something related to electricity, which is energy resulting from charged particles.
  12. 20. The function of the ____ is to change mechanical energy into electricity.
  13. 22. Become or make more intense.
  14. 25. Being the same in quantity, size, degree, or value.
  15. 27. Used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment.
  16. 28. a series of circle
  17. 30. A universal physical constant important in many areas of physics.
  18. 32. attraction or repulsion that arises between electrically charged particles
  19. 33. In electricity and magnetism, common name for three distinct phenomena.
  20. 34. a passive electrical device that transfers electrical energy from one circuit to another