Test your basic knowledge |

Basic Electricity And Electronics

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Negatively charged particles






2. Current entering in correct direction & diode acts as conductor






3. Allows an electric circuit to be turned on or off






4. Vehicle's frame/body serves as an electrical conductor






5. Extra electrons that are not locked to protons






6. Carry current between power source and load






7. Electrically operated switch - allows small dash switch to control another circuit from a distant point






8. The opposition to current flow






9. Should be used on all electrical repairs






10. Shows how electrical components are connected by wires






11. Reads and shows two separate waveforms






12. Electical device that uses electricity






13. Used to absorb unwanted electrical pulses






14. Electronic measuring instrument






15. Small wire that carries battery or alternator voltage






16. Used to test components






17. Supplies electricity for circuit






18. Circuit is broken and nonoperational






19. Positively charged particles






20. Used to permanently fasten wires to terminals or other wires






21. Measures amount of resistance in ohms in a cirucit or component






22. Multi- wire terminals that conect several wires together






23. Increase






24. Current entering in wrong direction & diode acts as inulator






25. Force that causes electron flow






26. Large- gauge wire capable of carrying high currents from battery to starting motor






27. Accurate display of voltage variations shown on an oscilloscope






28. Resist the flow of electricity






29. Voltmeter - ammeter - ohmmeter in one unit






30. Contains battery - used to check for continuity






31. Flow of electrons through a conductor






32. Contains fuses - circuit breakers - & flasher units for various circuits






33. Can cause corrosion of electrical components






34. Larger gauge=smaller diameter






35. Represent electrical components in a circuit






36. Allows current to flow in only one direction






37. Have no charge






38. (physics and chemistry) the smallest component of an element having the chemical properties of the element






39. Formula for calculating circuit voltage - current - or resistance

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40. States that current flows from positive to negative






41. Voltage readings displayed on an oscilloscope






42. Short to ground between battery and load can melt & burn wire insulation






43. States that current flows from positive to negative






44. Used to quickly repair automotive wiring






45. Small section of wire designed to burn in half when excess current is present in circuit






46. Used only in ignition system for spark plug or coil wires






47. Group of wires enclosed in plastic or tape covering






48. Diagnostic tool used to find and diagnose vehicle problems






49. Electric current generated when a wire passes through a magnetic field






50. Slipped over outside of wire insulation - uses magnetic field around outside of wire