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. Can cause corrosion of electrical components






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


3. Movement of electrons from atom to atom






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






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






6. Checks circuit for voltage






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






8. Represent electrical components in a circuit






9. Contains battery - used to check for continuity






10. Shows how electrical components are connected by wires






11. Determined by diameter of wire's metal conductor






12. Extra electrons that are not locked to protons






13. Has more than one electrical path






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






15. Flow of electrons through a conductor






16. Larger gauge=smaller diameter






17. Circuit is complete and operational






18. Electronic measuring instrument






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






20. States that current flows from positive to negative






21. Multi- wire terminals that conect several wires together






22. Group of wires enclosed in plastic or tape covering






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






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






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






26. Reads and shows two separate waveforms






27. Accurate display of voltage variations shown on an oscilloscope






28. Resist the flow of electricity






29. Measures amount of voltage in a circuit






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






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






32. Used to absorb unwanted electrical pulses






33. The opposition to current flow






34. Have no charge






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






36. Carry current between power source and load






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






38. Measures amount of current in a circuit






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






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






41. Small wire that carries battery or alternator voltage






42. Diagnostic tool used to find and diagnose vehicle problems






43. Circuit is broken and nonoperational






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






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






46. States that current flows from positive to negative






47. Electical device that uses electricity






48. Force that causes electron flow






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






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