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. Extra electrons that are not locked to protons






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






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






4. Reads and shows two separate waveforms






5. Used to quickly repair automotive wiring






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






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






8. Voltmeter - ammeter - ohmmeter in one unit






9. Contains battery - used to check for continuity






10. Group of wires enclosed in plastic or tape covering






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






12. Larger gauge=smaller diameter






13. Checks circuit for voltage






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






15. Diagnostic tool used to find and diagnose vehicle problems






16. The opposition to current flow






17. Have no charge






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






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






20. Shows how electrical components are connected by wires






21. Circuit is complete and operational






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

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






24. Has more than one electrical path






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






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






27. Accurate display of voltage variations shown on an oscilloscope






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






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






30. Determined by diameter of wire's metal conductor






31. Positively charged particles






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






33. Special substance capable of acting as conductor and insulator






34. States that current flows from positive to negative






35. Small wire that carries battery or alternator voltage






36. Used to absorb unwanted electrical pulses






37. Allows current to flow in only one direction






38. Used to test components






39. Should be used on all electrical repairs






40. Circuit is broken and nonoperational






41. Multi- wire terminals that conect several wires together






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






43. Acts as remote control switch or current amplifier






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






45. Resist the flow of electricity






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






47. Carry current between power source and load






48. Measures amount of current in a circuit






49. Supplies electricity for circuit






50. Flow of electrons through a conductor