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. Multi- wire terminals that conect several wires together






2. Electronic measuring instrument






3. Shows how electrical components are connected by wires






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






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






6. Allows current to flow in only one direction






7. Should be used on all electrical repairs






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






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






10. Carry current between power source and load






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






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






13. Has more than one electrical path






14. States that current flows from positive to negative






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






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






17. Special substance capable of acting as conductor and insulator






18. Measures amount of current in a circuit






19. Measures amount of voltage in a circuit






20. Larger gauge=smaller diameter






21. Can cause corrosion of electrical components






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






23. Used to test components






24. Contains battery - used to check for continuity






25. Supplies electricity for circuit






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






27. Increase






28. The opposition to current flow






29. Voltmeter - ammeter - ohmmeter in one unit






30. Reads and shows two separate waveforms






31. Voltage readings displayed on an oscilloscope






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






33. Have atoms that allow the flow of electrons






34. Positively charged particles






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






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






37. Accurate display of voltage variations shown on an oscilloscope






38. Movement of electrons from atom to atom






39. Force that causes electron flow






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

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41. Circuit is complete and operational






42. Negatively charged particles






43. Circuit is broken and nonoperational






44. Electical device that uses electricity






45. Flow of electrons through a conductor






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






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






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






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






50. Diagnostic tool used to find and diagnose vehicle problems