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. Increase






3. Contains battery - used to check for continuity






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






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






6. Positively charged particles






7. The opposition to current flow






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






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






10. Used to test components






11. Accurate display of voltage variations shown on an oscilloscope






12. Should be used on all electrical repairs






13. States that current flows from positive to negative






14. Larger gauge=smaller diameter






15. Reads and shows two separate waveforms






16. Determined by diameter of wire's metal conductor






17. Small wire that carries battery or alternator voltage






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






19. Electical device that uses electricity






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






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






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






23. Used to quickly repair automotive wiring






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






25. Resist the flow of electricity






26. Can cause corrosion of electrical components






27. Shows how electrical components are connected by wires






28. Represent electrical components in a circuit






29. Measures amount of voltage in a circuit






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






31. Circuit is broken and nonoperational






32. Extra electrons that are not locked to protons






33. Allows current to flow in only one direction






34. Special substance capable of acting as conductor and insulator






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






36. Diagnostic tool used to find and diagnose vehicle problems






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






38. Flow of electrons through a conductor






39. Supplies electricity for circuit






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






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

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






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






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






45. Have atoms that allow the flow of electrons






46. Have no charge






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






48. Multi- wire terminals that conect several wires together






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






50. Group of wires enclosed in plastic or tape covering