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. Contains battery - used to check for continuity






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






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






4. Have atoms that allow the flow of electrons






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






6. Used to test components






7. Group of wires enclosed in plastic or tape covering






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






9. Diagnostic tool used to find and diagnose vehicle problems






10. Special substance capable of acting as conductor and insulator






11. Used to quickly repair automotive wiring






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






13. Resist the flow of electricity






14. Multi- wire terminals that conect several wires together






15. Shows how electrical components are connected by wires






16. Circuit is broken and nonoperational






17. Force that causes electron flow






18. Acts as remote control switch or current amplifier






19. Extra electrons that are not locked to protons






20. Supplies electricity for circuit






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






22. Electronic measuring instrument






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






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






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






26. Flow of electrons through a conductor






27. Allows current to flow in only one direction






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






29. Movement of electrons from atom to atom






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






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






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






33. Measures amount of current in a circuit






34. Has more than one electrical path






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

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36. Measures amount of voltage in a circuit






37. Electical device that uses electricity






38. Small wire that carries battery or alternator voltage






39. Reads and shows two separate waveforms






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






41. Increase






42. Voltage readings displayed on an oscilloscope






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






44. Determined by diameter of wire's metal conductor






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






46. Carry current between power source and load






47. Circuit is complete and operational






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






49. Voltmeter - ammeter - ohmmeter in one unit






50. States that current flows from positive to negative