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. Reads and shows two separate waveforms






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






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






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

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5. Diagnostic tool used to find and diagnose vehicle problems






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






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






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






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






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






11. Represent electrical components in a circuit






12. Electronic measuring instrument






13. Negatively charged particles






14. Measures amount of current in a circuit






15. States that current flows from positive to negative






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






17. Voltmeter - ammeter - ohmmeter in one unit






18. Multi- wire terminals that conect several wires together






19. Flow of electrons through a conductor






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






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






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






23. Contains battery - used to check for continuity






24. Small wire that carries battery or alternator voltage






25. Increase






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






27. Checks circuit for voltage






28. Force that causes electron flow






29. Special substance capable of acting as conductor and insulator






30. Used to quickly repair automotive wiring






31. Circuit is broken and nonoperational






32. Larger gauge=smaller diameter






33. Group of wires enclosed in plastic or tape covering






34. States that current flows from positive to negative






35. Acts as remote control switch or current amplifier






36. Measures amount of voltage in a circuit






37. Voltage readings displayed on an oscilloscope






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






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






40. Used to absorb unwanted electrical pulses






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






42. Extra electrons that are not locked to protons






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






44. Shows how electrical components are connected by wires






45. The opposition to current flow






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






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






48. Have atoms that allow the flow of electrons






49. Accurate display of voltage variations shown on an oscilloscope






50. Electical device that uses electricity