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. Measures amount of voltage in a circuit






2. Has more than one electrical path






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






4. Measures amount of current in a circuit






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

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6. Voltmeter - ammeter - ohmmeter in one unit






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






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






9. Can cause corrosion of electrical components






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






11. Movement of electrons from atom to atom






12. Carry current between power source and load






13. Negatively charged particles






14. Allows current to flow in only one direction






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






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






17. Acts as remote control switch or current amplifier






18. Increase






19. Contains battery - used to check for continuity






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






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






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






23. Positively charged particles






24. Have atoms that allow the flow of electrons






25. States that current flows from positive to negative






26. Special substance capable of acting as conductor and insulator






27. States that current flows from positive to negative






28. Have no charge






29. Small wire that carries battery or alternator voltage






30. Resist the flow of electricity






31. Checks circuit for voltage






32. Extra electrons that are not locked to protons






33. Flow of electrons through a conductor






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






35. Electical device that uses electricity






36. Larger gauge=smaller diameter






37. Voltage readings displayed on an oscilloscope






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






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






40. Used to quickly repair automotive wiring






41. Should be used on all electrical repairs






42. Shows how electrical components are connected by wires






43. The opposition to current flow






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






45. Electronic measuring instrument






46. Group of wires enclosed in plastic or tape covering






47. Used to absorb unwanted electrical pulses






48. Force that causes electron flow






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






50. Used to test components