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. Have atoms that allow the flow of electrons






2. Electical device that uses electricity






3. Used to absorb unwanted electrical pulses






4. Flow of electrons through a conductor






5. Extra electrons that are not locked to protons






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






7. States that current flows from positive to negative






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






9. Voltage readings displayed on an oscilloscope






10. Should be used on all electrical repairs






11. Force that causes electron flow






12. Group of wires enclosed in plastic or tape covering






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






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






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






16. Accurate display of voltage variations shown on an oscilloscope






17. Increase






18. Has more than one electrical path






19. Measures amount of voltage in a circuit






20. Contains battery - used to check for continuity






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






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






23. States that current flows from positive to negative






24. Diagnostic tool used to find and diagnose vehicle problems






25. Used to quickly repair automotive wiring






26. Multi- wire terminals that conect several wires together






27. Resist the flow of electricity






28. Carry current between power source and load






29. Checks circuit for voltage






30. Can cause corrosion of electrical components






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






32. Allows current to flow in only one direction






33. Shows how electrical components are connected by wires






34. Have no charge






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






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






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






38. Measures amount of current in a circuit






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






40. Larger gauge=smaller diameter






41. Voltmeter - ammeter - ohmmeter in one unit






42. Used to test components






43. Small wire that carries battery or alternator voltage






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






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






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

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






48. Represent electrical components in a circuit






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






50. Determined by diameter of wire's metal conductor