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. Accurate display of voltage variations shown on an oscilloscope






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






4. Electical device that uses electricity






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






6. Larger gauge=smaller diameter






7. Used to quickly repair automotive wiring






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

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9. Special substance capable of acting as conductor and insulator






10. Force that causes electron flow






11. Flow of electrons through a conductor






12. Resist the flow of electricity






13. Represent electrical components in a circuit






14. Extra electrons that are not locked to protons






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






16. Measures amount of voltage in a circuit






17. Multi- wire terminals that conect several wires together






18. Should be used on all electrical repairs






19. Have atoms that allow the flow of electrons






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






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






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






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






24. Group of wires enclosed in plastic or tape covering






25. Circuit is complete and operational






26. Acts as remote control switch or current amplifier






27. Measures amount of current in a circuit






28. Diagnostic tool used to find and diagnose vehicle problems






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






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






31. Circuit is broken and nonoperational






32. Small wire that carries battery or alternator voltage






33. Used to absorb unwanted electrical pulses






34. Negatively charged particles






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






36. Supplies electricity for circuit






37. Increase






38. Carry current between power source and load






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






40. The opposition to current flow






41. Determined by diameter of wire's metal conductor






42. Electronic measuring instrument






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






44. Positively charged particles






45. Used to test components






46. Movement of electrons from atom to atom






47. Reads and shows two separate waveforms






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






49. States that current flows from positive to negative






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