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. Should be used on all electrical repairs






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






3. Allows current to flow in only one direction






4. Measures amount of voltage in a circuit






5. Diagnostic tool used to find and diagnose vehicle problems






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






7. Resist the flow of electricity






8. Determined by diameter of wire's metal conductor






9. Reads and shows two separate waveforms






10. Movement of electrons from atom to atom






11. Electical device that uses electricity






12. Group of wires enclosed in plastic or tape covering






13. Supplies electricity for circuit






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

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






16. Acts as remote control switch or current amplifier






17. Flow of electrons through a conductor






18. The opposition to current flow






19. Circuit is complete and operational






20. Carry current between power source and load






21. Used to quickly repair automotive wiring






22. Extra electrons that are not locked to protons






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






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






25. Voltmeter - ammeter - ohmmeter in one unit






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






27. Negatively charged particles






28. Larger gauge=smaller diameter






29. Used to test components






30. States that current flows from positive to negative






31. Accurate display of voltage variations shown on an oscilloscope






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






33. Multi- wire terminals that conect several wires together






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






35. Measures amount of current in a circuit






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






37. Contains battery - used to check for continuity






38. Checks circuit for voltage






39. Have no charge






40. Circuit is broken and nonoperational






41. Increase






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






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






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






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






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






47. Special substance capable of acting as conductor and insulator






48. Have atoms that allow the flow of electrons






49. Represent electrical components in a circuit






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