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. Current entering in correct direction & diode acts as conductor






2. Flow of electrons through a conductor






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

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






5. Negatively charged particles






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






7. Multi- wire terminals that conect several wires together






8. Extra electrons that are not locked to protons






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






10. Voltmeter - ammeter - ohmmeter in one unit






11. Acts as remote control switch or current amplifier






12. Accurate display of voltage variations shown on an oscilloscope






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






14. Represent electrical components in a circuit






15. Group of wires enclosed in plastic or tape covering






16. The opposition to current flow






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






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






19. Diagnostic tool used to find and diagnose vehicle problems






20. Electical device that uses electricity






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






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






23. Have no charge






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






25. Positively charged particles






26. States that current flows from positive to negative






27. Used to absorb unwanted electrical pulses






28. Increase






29. Should be used on all electrical repairs






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






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






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






33. Measures amount of voltage in a circuit






34. Checks circuit for voltage






35. Movement of electrons from atom to atom






36. Allows current to flow in only one direction






37. Determined by diameter of wire's metal conductor






38. Used to quickly repair automotive wiring






39. Supplies electricity for circuit






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






41. Contains battery - used to check for continuity






42. Can cause corrosion of electrical components






43. Carry current between power source and load






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






45. Small wire that carries battery or alternator voltage






46. Resist the flow of electricity






47. Used to test components






48. Larger gauge=smaller diameter






49. States that current flows from positive to negative






50. Has more than one electrical path