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