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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. Diagnostic tool used to find and diagnose vehicle problems






2. Used to absorb unwanted electrical pulses






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






4. Flow of electrons through a conductor






5. Circuit is complete and operational






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






7. Supplies electricity for circuit






8. Used to test components






9. Special substance capable of acting as conductor and insulator






10. Movement of electrons from atom to atom






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






12. Multi- wire terminals that conect several wires together






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






14. Have no charge






15. Accurate display of voltage variations shown on an oscilloscope






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






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






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






19. Can cause corrosion of electrical components






20. States that current flows from positive to negative






21. Determined by diameter of wire's metal conductor






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






23. Shows how electrical components are connected by wires






24. States that current flows from positive to negative






25. Reads and shows two separate waveforms






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






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






28. Resist the flow of electricity






29. Should be used on all electrical repairs






30. Connect electrical components to chassis or ground of the car






31. Extra electrons that are not locked to protons






32. Group of wires enclosed in plastic or tape covering






33. Small wire that carries battery or alternator voltage






34. Measures amount of voltage in a circuit






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






36. Has more than one electrical path






37. Acts as remote control switch or current amplifier






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






39. Checks circuit for voltage






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






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






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






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






44. Positively charged particles






45. Circuit is broken and nonoperational






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






47. Larger gauge=smaller diameter






48. Negatively charged particles






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

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50. Carry current between power source and load






Can you answer 50 questions in 15 minutes?



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