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






2. Group of wires enclosed in plastic or tape covering






3. Flow of electrons through a conductor






4. Determined by diameter of wire's metal conductor






5. Represent electrical components in a circuit






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






7. Carry current between power source and load






8. Special substance capable of acting as conductor and insulator






9. States that current flows from positive to negative






10. Resist the flow of electricity






11. Has more than one electrical path






12. Have atoms that allow the flow of electrons






13. Positively charged particles






14. Voltmeter - ammeter - ohmmeter in one unit






15. Reads and shows two separate waveforms






16. The opposition to current flow






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






18. Electical device that uses electricity






19. Extra electrons that are not locked to protons






20. Checks circuit for voltage






21. Multi- wire terminals that conect several wires together






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






23. Diagnostic tool used to find and diagnose vehicle problems






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






25. States that current flows from positive to negative






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






27. Measures amount of current in a circuit






28. Voltage readings displayed on an oscilloscope






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






30. Movement of electrons from atom to atom






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

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32. Electronic measuring instrument






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






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






35. Circuit is complete and operational






36. Force that causes electron flow






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






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






39. Contains battery - used to check for continuity






40. Larger gauge=smaller diameter






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






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






43. Increase






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






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






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






47. Used to quickly repair automotive wiring






48. Negatively charged particles






49. Used to test components






50. Allows current to flow in only one direction