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. Electical device that uses electricity






2. Have no charge






3. Supplies electricity for circuit






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






5. Circuit is complete and operational






6. Have atoms that allow the flow of electrons






7. Voltmeter - ammeter - ohmmeter in one unit






8. Allows current to flow in only one direction






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






10. Shows how electrical components are connected by wires






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






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






13. Resist the flow of electricity






14. Multi- wire terminals that conect several wires together






15. Used to test components






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






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

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18. Checks circuit for voltage






19. Movement of electrons from atom to atom






20. Used to absorb unwanted electrical pulses






21. Represent electrical components in a circuit






22. Can cause corrosion of electrical components






23. Diagnostic tool used to find and diagnose vehicle problems






24. Positively charged particles






25. States that current flows from positive to negative






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






27. Circuit is broken and nonoperational






28. Used to quickly repair automotive wiring






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






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






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






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






33. The opposition to current flow






34. Measures amount of current in a circuit






35. Has more than one electrical path






36. Larger gauge=smaller diameter






37. Negatively charged particles






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






39. Contains battery - used to check for continuity






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






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






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






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






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






45. Force that causes electron flow






46. Special substance capable of acting as conductor and insulator






47. Small wire that carries battery or alternator voltage






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






49. Reads and shows two separate waveforms






50. Accurate display of voltage variations shown on an oscilloscope