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. The opposition to current flow






2. Contains battery - used to check for continuity






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






4. Allows current to flow in only one direction






5. Movement of electrons from atom to atom






6. Special substance capable of acting as conductor and insulator






7. Reads and shows two separate waveforms






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






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






10. Small wire that carries battery or alternator voltage






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






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






13. Supplies electricity for circuit






14. States that current flows from positive to negative






15. Extra electrons that are not locked to protons






16. States that current flows from positive to negative






17. Checks circuit for voltage






18. Voltage readings displayed on an oscilloscope






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






20. Carry current between power source and load






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






22. Force that causes electron flow






23. Diagnostic tool used to find and diagnose vehicle problems






24. Electronic measuring instrument






25. Used to absorb unwanted electrical pulses






26. Negatively charged particles






27. Should be used on all electrical repairs






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






29. Accurate display of voltage variations shown on an oscilloscope






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






31. Has more than one electrical path






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






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






34. Acts as remote control switch or current amplifier






35. Shows how electrical components are connected by wires






36. Have no charge






37. Increase






38. Circuit is complete and operational






39. Measures amount of voltage in a circuit






40. Flow of electrons through a conductor






41. Multi- wire terminals that conect several wires together






42. Larger gauge=smaller diameter






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






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






45. Voltmeter - ammeter - ohmmeter in one unit






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






47. Have atoms that allow the flow of electrons






48. Determined by diameter of wire's metal conductor






49. Used to test components






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