Across
- 1. Amount of pressure behind the flow of electrons.
- 6. Simple symbols used to represent electrical parts.
- 7. Movement of electrons.
- 8. Meter that is used to measure resistance.
- 11. Material with conductive capabilities between that of conductors and insulators. Silicon is the most common semiconductor.
- 15. Device that uses magnetism to change electrical energy to mechanical energy.
- 16. Component that limits current flow to one direction. Can be used as rectifiers to change ac to pulsating dc.
- 17. Excess of charge on the surface of an object.
- 19. Electrically charged atom.
- 21. Current flow where polarity is constantly changing.
- 23. Electrical connection of two or more cells.
- 24. Circuits with only one path for current to flow from the power source through the circuit and back to the power source.
- 28. Microscopic building block of matter, made up of electrons, protons, and neutrons.
- 31. Component that creates an electrical signal based on environmental conditions. Can be used to monitor things like temperature and light.
- 33. Tool used to test if there is a complete path between two points.
- 37. Device that generates electricity through chemical action. In biology, it is the structural and functional units of all living things.
- 38. Measure of electrons per unit time.
- 40. To systematically search for the cause of a failure.
- 41. Law that defines the relationship between voltage, current, and resistance.
- 44. Atom’s outer ring of electrons.
- 46. The opposition to current flow.
- 47. Basic sketch of circuitry showing schematic symbols for parts and lines to represent conductors.
- 48. Meter that is used to measure voltage.
Down
- 2. Electrical test device whose screen can show the exact shape of a wave and, therefore, any possible distortion. It can measure voltage, frequency, pulses, and the timing of multiple signals.
- 3. Meter that is used to measure current.
- 4. Fuel-efficient car that uses an internal combustion engine combined with an electric motor and batteries.
- 5. Measure of the amount of electricity. One coulomb is equal to 6,240,000,000,000,000,000 (6.24 × 1018) electrons.
- 7. Design and construction of electrical and electronic systems, components, and devices.
- 9. Circuits that have more than one load and multiple paths for current flow.
- 10. Base unit of voltage.
- 12. Current flow in one direction, where polarity never changes.
- 13. Electrical component used to limit current flow and divide voltage.
- 14. Rate at which work is done or energy is transmitted; the amount of work done based on a period of time.
- 18. Law that states that power equals effort multiplied by rate.
- 20. Subatomic particle with a neutral charge.
- 22. Device that produces electricity by changing mechanical energy to electrical energy through the use of magnets.
- 25. Resistor whose resistance can be changed, usually by rotating a knob or sliding a switch.
- 26. Unit of electrical power.
- 27. Material with a very high resistance that does not allow current to flow.
- 29. Material with low resistance that easily passes electrons from one atom to another.
- 30. Device used as a solid state switch or amplifier.
- 32. Negatively charged subatomic particle.
- 33. Component that consists of two conductive plates separated by an insulator called a dielectric. Can store an electrical charge on their plates.
- 34. Electrical device used to open and close circuits or redirect current from one circuit to another.
- 35. Positive or negative condition at the power supply terminal.
- 36. Subatomic particle with a positive charge.
- 39. Cell that uses light to produce electricity.
- 42. Solid conductor through which electricity enters or leaves a medium.
- 43. Rigid piece of insulation (typically fiberglass) is used as a platform for circuitry. Thin copper tracks are laid on the fiberglass and electronic components are soldered to the track. Commonly known as a PCB (printed circuit board).
- 45. Base unit of measurement of resistance.