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. Shows how electrical components are connected by wires






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






4. Circuit is complete and operational






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






6. Flow of electrons through a conductor






7. Electronic measuring instrument






8. Used to absorb unwanted electrical pulses






9. Voltmeter - ammeter - ohmmeter in one unit






10. Increase






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






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






13. Contains battery - used to check for continuity






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






15. Resist the flow of electricity






16. Electical device that uses electricity






17. Group of wires enclosed in plastic or tape covering






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






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






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






21. Should be used on all electrical repairs






22. Accurate display of voltage variations shown on an oscilloscope






23. States that current flows from positive to negative






24. The opposition to current flow






25. Diagnostic tool used to find and diagnose vehicle problems






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






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

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28. Small wire that carries battery or alternator voltage






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






30. Supplies electricity for circuit






31. Special substance capable of acting as conductor and insulator






32. Positively charged particles






33. Movement of electrons from atom to atom






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






35. Allows current to flow in only one direction






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






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






38. States that current flows from positive to negative






39. Have no charge






40. Represent electrical components in a circuit






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






42. Negatively charged particles






43. Determined by diameter of wire's metal conductor






44. Checks circuit for voltage






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






46. Larger gauge=smaller diameter






47. Multi- wire terminals that conect several wires together






48. Used to test components






49. Reads and shows two separate waveforms






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