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. Voltage readings displayed on an oscilloscope






2. Acts as remote control switch or current amplifier






3. Circuit is complete and operational






4. Contains battery - used to check for continuity






5. States that current flows from positive to negative






6. Increase






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






8. Have no charge






9. Electical device that uses electricity






10. Determined by diameter of wire's metal conductor






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






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






13. Used to absorb unwanted electrical pulses






14. Should be used on all electrical repairs






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






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






17. Measures amount of current in a circuit






18. Measures amount of voltage in a circuit






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






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






21. Can cause corrosion of electrical components






22. Checks circuit for voltage






23. The opposition to current flow






24. Carry current between power source and load






25. Extra electrons that are not locked to protons






26. Electronic measuring instrument






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






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






29. Multi- wire terminals that conect several wires together






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






31. Circuit is broken and nonoperational






32. Supplies electricity for circuit






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






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






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






36. Diagnostic tool used to find and diagnose vehicle problems






37. Positively charged particles






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






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






40. Special substance capable of acting as conductor and insulator






41. Has more than one electrical path






42. Represent electrical components in a circuit






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






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

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45. Small wire that carries battery or alternator voltage






46. Reads and shows two separate waveforms






47. Have atoms that allow the flow of electrons






48. Resist the flow of electricity






49. Force that causes electron flow






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