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. Has more than one electrical path






2. Accurate display of voltage variations shown on an oscilloscope






3. Shows how electrical components are connected by wires






4. Contains battery - used to check for continuity






5. Larger gauge=smaller diameter






6. Multi- wire terminals that conect several wires together






7. Diagnostic tool used to find and diagnose vehicle problems






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






9. Acts as remote control switch or current amplifier






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






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






12. Reads and shows two separate waveforms






13. Used to absorb unwanted electrical pulses






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






15. Resist the flow of electricity






16. Checks circuit for voltage






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






18. Can cause corrosion of electrical components






19. Small wire that carries battery or alternator voltage






20. Measures amount of voltage in a circuit






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

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22. Should be used on all electrical repairs






23. Voltmeter - ammeter - ohmmeter in one unit






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






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






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






27. Carry current between power source and load






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






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






30. Used to test components






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






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






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






34. Group of wires enclosed in plastic or tape covering






35. Used to quickly repair automotive wiring






36. Force that causes electron flow






37. Movement of electrons from atom to atom






38. Allows current to flow in only one direction






39. Voltage readings displayed on an oscilloscope






40. Negatively charged particles






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






42. Measures amount of current in a circuit






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






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






45. Have no charge






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






47. Electronic measuring instrument






48. Supplies electricity for circuit






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






50. States that current flows from positive to negative