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






2. Acts as remote control switch or current amplifier






3. Allows current to flow in only one direction






4. Have atoms that allow the flow of electrons






5. Disconnects power source from circuit when current becomes too high






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






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

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






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






10. Electical device that uses electricity






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






12. Negatively charged particles






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






14. Supplies electricity for circuit






15. Multi- wire terminals that conect several wires together






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






17. The opposition to current flow






18. Resist the flow of electricity






19. Special substance capable of acting as conductor and insulator






20. Increase






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






22. Carry current between power source and load






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






24. Used to absorb unwanted electrical pulses






25. Larger gauge=smaller diameter






26. Have no charge






27. Accidental low- resistance connection resulting in excessive current flow






28. Force that causes electron flow






29. Positively charged particles






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






31. Represent electrical components in a circuit






32. Circuit is complete and operational






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






34. Flow of electrons through a conductor






35. Extra electrons that are not locked to protons






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






37. Accurate display of voltage variations shown on an oscilloscope






38. Diagnostic tool used to find and diagnose vehicle problems






39. Circuit is broken and nonoperational






40. States that current flows from positive to negative






41. Contains battery - used to check for continuity






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






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






44. The lines of force surrounding a permanent magnet or a moving charged particle






45. Small wire that carries battery or alternator voltage






46. Electronic measuring instrument






47. Reads and shows two separate waveforms






48. Movement of electrons from atom to atom






49. Used to deform the connector or terminal around the wire






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