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. Allows an electric circuit to be turned on or off






2. Diagnostic tool used to find and diagnose vehicle problems






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






4. Flow of electrons through a conductor






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






6. Circuit is broken and nonoperational






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

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






9. Movement of electrons from atom to atom






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






11. Used to quickly repair automotive wiring






12. Accurate display of voltage variations shown on an oscilloscope






13. Electical device that uses electricity






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






15. Used to absorb unwanted electrical pulses






16. Measures amount of voltage in a circuit






17. Checks circuit for voltage






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






19. Negatively charged particles






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






21. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip






22. Group of wires enclosed in plastic or tape covering






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






24. Have no charge






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






26. Electronic measuring instrument






27. Contains battery - used to check for continuity






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






29. Voltage readings displayed on an oscilloscope






30. Represent electrical components in a circuit






31. Larger gauge=smaller diameter






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






33. Reads and shows two separate waveforms






34. The opposition to current flow






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






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






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






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






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






40. States that current flows from positive to negative






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






42. Used to test components






43. Circuit is complete and operational






44. Shows how electrical components are connected by wires






45. Carry current between power source and load






46. Should be used on all electrical repairs






47. Have atoms that allow the flow of electrons






48. Multi- wire terminals that conect several wires together






49. States that current flows from positive to negative






50. Small wire that carries battery or alternator voltage