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. Measures amount of current in a circuit






2. Connect electrical components to chassis or ground of the car






3. Allows current to flow in only one direction






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






5. States that current flows from positive to negative






6. Negatively charged particles






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






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






9. Resist the flow of electricity






10. Extra electrons that are not locked to protons






11. Can cause corrosion of electrical components






12. Have no charge






13. Circuit is broken and nonoperational






14. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip






15. Measures amount of voltage in a circuit






16. Special substance capable of acting as conductor and insulator






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






18. States that current flows from positive to negative






19. Outer band of an electron which holds a maximum of 8 electrons






20. The opposition to current flow






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






22. Should be used on all electrical repairs






23. Multi- wire terminals that conect several wires together






24. Determined by diameter of wire's metal conductor






25. Positively charged particles






26. Has more than one electrical path






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






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






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






30. Shows how electrical components are connected by wires






31. Electical device that uses electricity






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






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






34. Used to quickly repair automotive wiring






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






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






37. Electronic measuring instrument






38. Have atoms that allow the flow of electrons






39. Reads and shows two separate waveforms






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






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






42. Represent electrical components in a circuit






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

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






45. Accurate display of voltage variations shown on an oscilloscope






46. Carry current between power source and load






47. Increase






48. Diagnostic tool used to find and diagnose vehicle problems






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






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