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. Diagnostic tool used to find and diagnose vehicle problems






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






3. Special substance capable of acting as conductor and insulator






4. The opposition to current flow






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






6. Voltage readings displayed on an oscilloscope






7. Electical device that uses electricity






8. Negatively charged particles






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






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






11. Can cause corrosion of electrical components






12. Measures amount of current in a circuit






13. Used to test components






14. Acts as remote control switch or current amplifier






15. Small wire that carries battery or alternator voltage






16. Voltmeter - ammeter - ohmmeter in one unit






17. Have no charge






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






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






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






21. Used to quickly repair automotive wiring






22. Determined by diameter of wire's metal conductor






23. Reads and shows two separate waveforms






24. Movement of electrons from atom to atom






25. Represent electrical components in a circuit






26. Group of wires enclosed in plastic or tape covering






27. Used to absorb unwanted electrical pulses






28. Checks circuit for voltage






29. Force that causes electron flow






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






31. Should be used on all electrical repairs






32. Larger gauge=smaller diameter






33. States that current flows from positive to negative






34. Extra electrons that are not locked to protons






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

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






37. Has more than one electrical path






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






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






40. Have atoms that allow the flow of electrons






41. Allows current to flow in only one direction






42. Increase






43. Circuit is complete and operational






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






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






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






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






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






49. Accurate display of voltage variations shown on an oscilloscope






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