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. Current entering in correct direction & diode acts as conductor






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






3. Resist the flow of electricity






4. Used to test components






5. Can cause corrosion of electrical components






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






7. Negatively charged particles






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






9. Larger gauge=smaller diameter






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






11. Checks circuit for voltage






12. Movement of electrons from atom to atom






13. The opposition to current flow






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






15. Group of wires enclosed in plastic or tape covering






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






17. Electical device that uses electricity






18. Flow of electrons through a conductor






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






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






21. Circuit is broken and nonoperational






22. Allows current to flow in only one direction






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






24. Small wire that carries battery or alternator voltage






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

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






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






28. Contains battery - used to check for continuity






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






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






31. Special substance capable of acting as conductor and insulator






32. Accurate display of voltage variations shown on an oscilloscope






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






34. Multi- wire terminals that conect several wires together






35. Voltmeter - ammeter - ohmmeter in one unit






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






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






38. Used to absorb unwanted electrical pulses






39. Acts as remote control switch or current amplifier






40. Electronic measuring instrument






41. Have no charge






42. Force that causes electron flow






43. States that current flows from positive to negative






44. Increase






45. Used to quickly repair automotive wiring






46. Shows how electrical components are connected by wires






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






48. Supplies electricity for circuit






49. Represent electrical components in a circuit






50. States that current flows from positive to negative