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 fuses - circuit breakers - & flasher units for various circuits






2. Larger gauge=smaller diameter






3. Flow of electrons through a conductor






4. Acts as remote control switch or current amplifier






5. Electronic measuring instrument






6. Force that causes electron flow






7. Resist the flow of electricity






8. Accurate display of voltage variations shown on an oscilloscope






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






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






11. Reads and shows two separate waveforms






12. Allows current to flow in only one direction






13. Have no charge






14. Movement of electrons from atom to atom






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






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






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






18. Positively charged particles






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






20. Used to test components






21. Diagnostic tool used to find and diagnose vehicle problems






22. Used to absorb unwanted electrical pulses






23. Have atoms that allow the flow of electrons






24. Should be used on all electrical repairs






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






26. Used to quickly repair automotive wiring






27. Group of wires enclosed in plastic or tape covering






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






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






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






31. Has more than one electrical path






32. Carry current between power source and load






33. Voltage readings displayed on an oscilloscope






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






35. Special substance capable of acting as conductor and insulator






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






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






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






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

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40. Measures amount of current in a circuit






41. Contains battery - used to check for continuity






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






43. Negatively charged particles






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






45. Represent electrical components in a circuit






46. The opposition to current flow






47. Checks circuit for voltage






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






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






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