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. Should be used on all electrical repairs






2. Diagnostic tool used to find and diagnose vehicle problems






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






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






5. States that current flows from positive to negative






6. Special substance capable of acting as conductor and insulator






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






8. Electical device that uses electricity






9. Used to test components






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






11. Group of wires enclosed in plastic or tape covering






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






13. Allows current to flow in only one direction






14. Circuit is broken and nonoperational






15. Extra electrons that are not locked to protons






16. Increase






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






18. Voltage readings displayed on an oscilloscope






19. Represent electrical components in a circuit






20. Larger gauge=smaller diameter






21. States that current flows from positive to negative






22. Have no charge






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






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






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






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






27. Force that causes electron flow






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






29. Can cause corrosion of electrical components






30. Accurate display of voltage variations shown on an oscilloscope






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






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






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






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

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35. Carry current between power source and load






36. Checks circuit for voltage






37. Reads and shows two separate waveforms






38. Flow of electrons through a conductor






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






40. Movement of electrons from atom to atom






41. Voltmeter - ammeter - ohmmeter in one unit






42. Circuit is complete and operational






43. Have atoms that allow the flow of electrons






44. Resist the flow of electricity






45. Shows how electrical components are connected by wires






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






47. Used to quickly repair automotive wiring






48. Electronic measuring instrument






49. The opposition to current flow






50. Used to absorb unwanted electrical pulses