Across
- 5. is defined as the resources for electric power.
- 10. a machine powered by electricity or internal combustion
- 11. a device that converts motive power into electrical power for use in an external circuit.
- 12. a negatively charged subatomic particle
- 14. _______transformer have equal primary and secondary voltages.
- 15. a class of physical phenomena that are mediated by magnetic fields.
- 18. a process where a magnetic field is created by introducing the current in the conductor
- 19. an object or type of material that allows the flow of charge (electrical current) in one or more directions.
- 21. operating by or producing electricity.
- 23. The number of magnetic lines of forces set up in a magnetic circuit is called _______.
- 26. equals one field line (Mx)
- 27. the production of an electromotive force across an electrical conductor in a changing magnetic field.
- 30. closed path that allows electricity to flow from one point to another.
- 32. _______the most magnetic of the materials
- 33. closed path going through circuit elements.
- 34. The algebraic sum of voltages around any closed path in a network is equal to _____.
- 35. a point where at least three or more conductors where current meet (or separate).
- 37. a passive electrical device that transfers electrical energy from one circuit to another through the process of electromagnetic induction.
- 39. A junction well two (or) more than two network elements meet is known as a ___________
- 41. Magnetic fields around a conductor are ____to the conductor.
Down
- 1. created as a result of vibrations between an electric field and a magnetic field
- 2. The ____winding of a transformer provides power to the load.
- 3. usually roughly circular or cylindrical, of current-carrying wire designed to produce a magnetic field
- 4. MMF means_____
- 6. a single electrical conductor made of copper.
- 7. __________operates on the principle of mutual inductance.
- 8. What hysteresis loop desirable for the core of a transformer?
- 9. Which has higher efficiency, a large transformer or a small transformer?
- 13. When a transformer steps down voltage, does it step up or step down in current?
- 16. is an electromechanical measuring instrument for electric current.
- 17. working or produced by machines or machinery
- 20. emf means____
- 22. any movement of electric charge carriers such as electrons, protons, ions, or holes
- 24. the speed at which light waves propagate through different materials.
- 25. is a quantitative expression of the potential difference in charge between two points in an electrical field.
- 28. produce (an electric charge or current or a magnetic state) by induction
- 29. a two-terminal device that can maintain a fixed voltage.
- 31. is also called a magnetic core a property that has electrical circuits or components such as coils.
- 36. any closed path going through circuit elements
- 38. contains electrons that have both uneven orbits and uneven spins.
- 40. The ______winding of a transformer receives power or energy from another source.