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. Voltmeter - ammeter - ohmmeter in one unit






2. States that current flows from positive to negative






3. Measures amount of voltage in a circuit






4. The opposition to current flow






5. Carry current between power source and load






6. Accurate display of voltage variations shown on an oscilloscope






7. Have atoms that allow the flow of electrons






8. Have no charge






9. Allows current to flow in only one direction






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






11. Electronic measuring instrument






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






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






14. Larger gauge=smaller diameter






15. Movement of electrons from atom to atom






16. Negatively charged particles






17. Flow of electrons through a conductor






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






19. Diagnostic tool used to find and diagnose vehicle problems






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






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

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22. Increase






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






24. Group of wires enclosed in plastic or tape covering






25. Checks circuit for voltage






26. Resist the flow of electricity






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






28. Contains battery - used to check for continuity






29. Used to quickly repair automotive wiring






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






31. Circuit is complete and operational






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






33. Has more than one electrical path






34. Shows how electrical components are connected by wires






35. Used to absorb unwanted electrical pulses






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






37. Electical device that uses electricity






38. Used to test components






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






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






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






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






43. Circuit is broken and nonoperational






44. Small wire that carries battery or alternator voltage






45. Measures amount of current in a circuit






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






47. Reads and shows two separate waveforms






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






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






50. Extra electrons that are not locked to protons