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. Measures amount of current in a circuit






2. Supplies electricity for circuit






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






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






5. Determined by diameter of wire's metal conductor






6. Checks circuit for voltage






7. Have no charge






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






9. Multi- wire terminals that conect several wires together






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






11. Have atoms that allow the flow of electrons






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

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






14. Electical device that uses electricity






15. Can cause corrosion of electrical components






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






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






18. Should be used on all electrical repairs






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






20. Contains battery - used to check for continuity






21. States that current flows from positive to negative






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






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






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






25. Used to test components






26. Small wire that carries battery or alternator voltage






27. Voltage readings displayed on an oscilloscope






28. Accurate display of voltage variations shown on an oscilloscope






29. Negatively charged particles






30. States that current flows from positive to negative






31. Positively charged particles






32. Used to absorb unwanted electrical pulses






33. Used to quickly repair automotive wiring






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






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






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






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






38. Acts as remote control switch or current amplifier






39. Resist the flow of electricity






40. Flow of electrons through a conductor






41. Group of wires enclosed in plastic or tape covering






42. Diagnostic tool used to find and diagnose vehicle problems






43. Has more than one electrical path






44. Increase






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






46. Circuit is broken and nonoperational






47. Larger gauge=smaller diameter






48. Circuit is complete and operational






49. Reads and shows two separate waveforms






50. Voltmeter - ammeter - ohmmeter in one unit