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






2. Used to quickly repair automotive wiring






3. Electronic measuring instrument






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






5. Has more than one electrical path






6. Increase






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






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






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






10. Can cause corrosion of electrical components






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






12. Larger gauge=smaller diameter






13. Used to absorb unwanted electrical pulses






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






15. Measures amount of current in a circuit






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






17. Resist the flow of electricity






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






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






20. Electical device that uses electricity






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






22. Voltmeter - ammeter - ohmmeter in one unit






23. Shows how electrical components are connected by wires






24. Acts as remote control switch or current amplifier






25. Allows current to flow in only one direction






26. Negatively charged particles






27. Small wire that carries battery or alternator voltage






28. Accurate display of voltage variations shown on an oscilloscope






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






30. Special substance capable of acting as conductor and insulator






31. Group of wires enclosed in plastic or tape covering






32. Contains battery - used to check for continuity






33. Movement of electrons from atom to atom






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






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






36. Determined by diameter of wire's metal conductor






37. Have no charge






38. Supplies electricity for circuit






39. Flow of electrons through a conductor






40. States that current flows from positive to negative






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






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






43. Multi- wire terminals that conect several wires together






44. Should be used on all electrical repairs






45. States that current flows from positive to negative






46. Diagnostic tool used to find and diagnose vehicle problems






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






48. Voltage readings displayed on an oscilloscope






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

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50. Circuit is complete and operational