ELECTROMAGNETIC INDUCTION
Across
- 2. a physicist who developed a theory that explained the relationship between electricity and magnetism and correctly predicted that visible light is caused by electromagnetic waves.
- 4. a fundamental physical constant that is the speed at which electromagnetic radiation propagates in a vacuum and that has a value fixed by international convention of 299,792,458 meters per second.
- 8. used in electrical wiring since the invention of the electromagnet.
- 9. having the properties of a magnet. · capable of being magnetized or attracted by a magnet.
- 10. an energy includes resources that have been converted or stored.
- 11. is a type of transformer that converts the high voltage (HV) and low current from the primary side of the transformer to the low voltage (LV) and high current value on the secondary side of the transformer.
- 13. an instrument for detecting and measuring small electric currents.
- 14. is an electrical machine that converts electrical energy into mechanical energy.
- 21. the pressure from an electrical circuit's power source that pushes charged electrons.
- 25. a device that transfers electric energy from one alternating-current circuit to one or more other circuits.
- 27. sources include wind, wave, marine, hydro, biomass and solar.
- 29. being the same in quantity.
- 30. A transformer designed to increase the voltage from primary to secondary.
- 31. a material or object that produces a magnetic field.
- 32. defined as the number of magnetic field lines passing through a given closed surface.
- 35. is a material which electricity, heat or sound can flow through.
- 36. used to bear mechanical loads or electricity and telecommunications signals.
- 37. is a flow of electric charge in a circuit.
- 39. operating by or producing electricity.
- 40. a branch of Physics, that deals with the electromagnetic force that occurs between electrically charged particles.
Down
- 1. are waves that are created as a result of vibrations between an electric field and a magnetic field.
- 3. a difference in potential that tends to give rise to an electric current.
- 5. is any closed path going through circuit elements.
- 6. to stop the flow of or shut off.
- 7. a subatomic particle, symbol e⁻ or β⁻ , whose electric charge is negative one elementary charge.
- 12. the process of using magnetic fields to produce voltage, and in a closed circuit, a current.
- 15. a physical phenomenon produced by the motion of electric charge.
- 16. an energy usually the side with the higher voltage.
- 17. motion of charges in perpendicular electric field.
- 18. law of induction says that when a magnetic field changes.
- 19. magnetism is produced by the force of the field radiating from the poles of a magnet.
- 20. an electrical conductor such as a wire in the shape of a coil, spiral or helix.
- 22. a two-terminal device which can maintain a fixed voltage.
- 23. are made up of copper wires, that is coated with insulated plastic and is colour coded for its purpose.
- 24. also called a magnetic core.
- 26. start the flow or operation of something by means of a valve, switch, or button.
- 28. attraction or repulsion that arises between electrically charged particles because of their motion.
- 33. is an unbroken loop of conductive material that allows charge carriers to flow through continuously without beginning or end.
- 34. a device that converts motive power into electrical power for use in an external circuit.
- 38. the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge.