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






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






3. Circuit is broken and nonoperational






4. Should be used on all electrical repairs






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






6. Voltmeter - ammeter - ohmmeter in one unit






7. States that current flows from positive to negative






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






9. Have no charge






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






11. Has more than one electrical path






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






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






14. Flow of electrons through a conductor






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






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






17. Measures amount of current in a circuit






18. The opposition to current flow






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






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






21. Measures amount of voltage in a circuit






22. Used to absorb unwanted electrical pulses






23. Multi- wire terminals that conect several wires together






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






25. Circuit is complete and operational






26. Acts as remote control switch or current amplifier






27. Accurate display of voltage variations shown on an oscilloscope






28. Extra electrons that are not locked to protons






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






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

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






32. Larger gauge=smaller diameter






33. Represent electrical components in a circuit






34. Used to test components






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






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






37. Reads and shows two separate waveforms






38. Group of wires enclosed in plastic or tape covering






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






40. Resist the flow of electricity






41. Diagnostic tool used to find and diagnose vehicle problems






42. Movement of electrons from atom to atom






43. Small wire that carries battery or alternator voltage






44. Allows current to flow in only one direction






45. Force that causes electron flow






46. Increase






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






48. Special substance capable of acting as conductor and insulator






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






50. Carry current between power source and load