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. Resist the flow of electricity






2. States that current flows from positive to negative






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






4. Supplies electricity for circuit






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






6. Flow of electrons through a conductor






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






8. Group of wires enclosed in plastic or tape covering






9. Increase






10. Extra electrons that are not locked to protons






11. The opposition to current flow






12. Voltage readings displayed on an oscilloscope






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






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






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






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






17. Carry current between power source and load






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






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






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






21. Force that causes electron flow






22. Determined by diameter of wire's metal conductor






23. Should be used on all electrical repairs






24. Circuit is broken and nonoperational






25. Checks circuit for voltage






26. Used to test components






27. Represent electrical components in a circuit






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

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






30. Measures amount of current in a circuit






31. Voltmeter - ammeter - ohmmeter in one unit






32. Movement of electrons from atom to atom






33. Have atoms that allow the flow of electrons






34. Contains battery - used to check for continuity






35. Allows current to flow in only one direction






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






37. Negatively charged particles






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






39. Used to absorb unwanted electrical pulses






40. Reads and shows two separate waveforms






41. States that current flows from positive to negative






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






43. Acts as remote control switch or current amplifier






44. Electronic measuring instrument






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






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






47. Multi- wire terminals that conect several wires together






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






49. Positively charged particles






50. Special substance capable of acting as conductor and insulator