Across
- 9. The speed of electricity is conceptually the speed of the electromagnetic signal in the wire.
- 10. a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.
- 11. the process by which an electrical conductor becomes electrified when near a charged body.
- 13. two conductors of an electrical loop compose one wire carrying the go signal and the other carrying the electrical return signal.
- 17. a complete path around which electricity can flow.
- 20. electro-mechanical machine which converts the electrical energy into mechanical energy. In other words, the devices which produce rotational force is known as the motor.
- 21. difference in potential that tends to give rise to an electric current.
- 23. working or produced by machines or machinery.
- 24. pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light.
- 25. he physical phenomena arising from the behavior of electrons and protons that is caused by the attraction of particles with opposite charges.
- 26. a type of transformer that converts the low voltage (LV) and high current from the primary side of the transformer to the high voltage (HV) and low current value on the secondary side of the transformer.
- 29. e centimeter-gram-second electromagnetic unit of magnetic flux equal to the flux per square centimeter of normal cross section in a region.
- 30. To power up; to make the device work by switching it on.
- 31. form of energy that is carried through wires and is used to operate machines, lights, etc.
- 35. the power that pulls materials together.
- 38. The central, innermost, or most essential part of anything. Also called magnetic core.
- 39. an electromechanical measuring instrument for electric current.
Down
- 1. production of electromotive force
- 2. an elementary particle consisting of a charge of negative electricity.
- 3. A copper wire is a single electrical conductor made of copper.
- 4. It is a wave created by the acceleration of charged particles that are placed in magnetic and electric field; both the fields acting at right angles to each other.
- 5. A source of electrical power (electrical energy), a device that supplies electrical current.
- 6. type of metal which allows the electrical current to flow through it.
- 7. reducing a high voltage applied to the primary winding to a lower voltage on the secondary winding Compare step up decreasing or falling by stages.
- 8. the initial electrical power provided by the utility companies, this power is reduced to comply with the electrical design requirements of the project.
- 12. a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge through a surface or into a control volume .
- 14. measure of the strength of the magnetic field around a magnet or an electric current.
- 15. force that is responsible for interactions between charged particles which occur because of their charge and for the emission and absorption of photons, that is about a hundredth the strength of the strong force, and that extends over infinite distances but is dominant over atomic and molecular distances.
- 16. translational kinetic energy depends on motion through space, and for a rigid body of constant mass is equal to the product of half the mass times the square of the speed.
- 18. can be modeled for analysis purposes as a combination of an ideal voltage source and additional combinations of impedance elements.
- 19. a form of energy that is carried through wires and is used to operate machines, lights, etc.
- 22. A core made of solid or laminated iron, or some other magnetic material which may contain very little iron.
- 27. A line is said to be perpendicular to another line if the two lines intersect at a right angle.
- 28. a passive electrical device that transfers electrical energy from one circuit to another through the process of electromagnetic induction .
- 29. a piece of metal that can pull certain types of metal toward itself.
- 32. To power down; to stop a device by switching it off.
- 33. an electrical conductor such as a wire in the shape of a coil, spiral or helix.
- 34. power that is distributed by the lighting and power panels in the electric room to the remainder of the project.
- 36. a law stating that when the magnetic flux linking a circuit changes
- 37. attractive and repulsive phenomenon produced by a moving electric charge. The affected region around a moving charge consists of both an electric field and a magnetic field.