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. Current entering in wrong direction & diode acts as inulator






2. Extra electrons that are not locked to protons






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






4. Determined by diameter of wire's metal conductor






5. Used to quickly repair automotive wiring






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






7. Positively charged particles






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


9. Group of wires enclosed in plastic or tape covering






10. Diagnostic tool used to find and diagnose vehicle problems






11. Acts as remote control switch or current amplifier






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






13. Multi- wire terminals that conect several wires together






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






15. States that current flows from positive to negative






16. Has more than one electrical path






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






18. Contains battery - used to check for continuity






19. Measures amount of voltage in a circuit






20. Has more than one load connected in a single electrical path






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






22. Movement of electrons from atom to atom






23. Can cause corrosion of electrical components






24. Force that causes electron flow






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






26. Checks circuit for voltage






27. Negatively charged particles






28. Circuit is broken and nonoperational






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






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






31. Special substance capable of acting as conductor and insulator






32. Electical device that uses electricity






33. Voltmeter - ammeter - ohmmeter in one unit






34. Supplies electricity for circuit






35. Accurate display of voltage variations shown on an oscilloscope






36. Used to test components






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






38. Flow of electrons through a conductor






39. Measures amount of current in a circuit






40. Small wire that carries battery or alternator voltage






41. Have no charge






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






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






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






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






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






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






48. Increase






49. Reads and shows two separate waveforms






50. Carry current between power source and load