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






2. Group of wires enclosed in plastic or tape covering






3. Special substance capable of acting as conductor and insulator






4. Larger gauge=smaller diameter






5. Accurate display of voltage variations shown on an oscilloscope






6. Resist the flow of electricity






7. Multi- wire terminals that conect several wires together






8. Checks circuit for voltage






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






10. Should be used on all electrical repairs






11. Allows current to flow in only one direction






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






13. Used to test components






14. Voltage readings displayed on an oscilloscope






15. Circuit is broken and nonoperational






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






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

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






19. Negatively charged particles






20. Small wire that carries battery or alternator voltage






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






22. Voltmeter - ammeter - ohmmeter in one unit






23. Movement of electrons from atom to atom






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






25. Flow of electrons through a conductor






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






27. States that current flows from positive to negative






28. Supplies electricity for circuit






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






30. Shows how electrical components are connected by wires






31. Has more than one electrical path






32. Force that causes electron flow






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






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






35. Measures amount of current in a circuit






36. Acts as remote control switch or current amplifier






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






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






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






40. Have atoms that allow the flow of electrons






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






42. Electronic measuring instrument






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






44. Increase






45. Used to quickly repair automotive wiring






46. Have no charge






47. Positively charged particles






48. Diagnostic tool used to find and diagnose vehicle problems






49. States that current flows from positive to negative






50. Measures amount of voltage in a circuit