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. Extra electrons that are not locked to protons






2. Reads and shows two separate waveforms






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






4. Have atoms that allow the flow of electrons






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

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6. Circuit is complete and operational






7. Movement of electrons from atom to atom






8. Electical device that uses electricity






9. States that current flows from positive to negative






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






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






12. Supplies electricity for circuit






13. Force that causes electron flow






14. Carry current between power source and load






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






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






17. Measures amount of current in a circuit






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






19. Flow of electrons through a conductor






20. Allows current to flow in only one direction






21. Should be used on all electrical repairs






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






23. Can cause corrosion of electrical components






24. Multi- wire terminals that conect several wires together






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






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






27. Acts as remote control switch or current amplifier






28. Has more than one electrical path






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






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






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






32. Determined by diameter of wire's metal conductor






33. Voltmeter - ammeter - ohmmeter in one unit






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






35. Diagnostic tool used to find and diagnose vehicle problems






36. Have no charge






37. Used to quickly repair automotive wiring






38. Circuit is broken and nonoperational






39. Accurate display of voltage variations shown on an oscilloscope






40. The opposition to current flow






41. Group of wires enclosed in plastic or tape covering






42. Voltage readings displayed on an oscilloscope






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






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






45. Contains battery - used to check for continuity






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






47. Measures amount of voltage in a circuit






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






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






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