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. Current entering in wrong direction & diode acts as inulator






2. Increase






3. Represent electrical components in a circuit






4. Voltage readings displayed on an oscilloscope






5. Electical device that uses electricity






6. Should be used on all electrical repairs






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






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






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






10. Extra electrons that are not locked to protons






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






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






13. Allows current to flow in only one direction






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






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






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






17. States that current flows from positive to negative






18. Have no charge






19. Reads and shows two separate waveforms






20. Circuit is broken and nonoperational






21. Measures amount of voltage in a circuit






22. Used to test components






23. Carry current between power source and load






24. Voltmeter - ammeter - ohmmeter in one unit






25. Acts as remote control switch or current amplifier






26. Shows how electrical components are connected by wires






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






28. Larger gauge=smaller diameter






29. Resist the flow of electricity






30. Movement of electrons from atom to atom






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






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

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






34. Have atoms that allow the flow of electrons






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






36. Determined by diameter of wire's metal conductor






37. The opposition to current flow






38. Has more than one electrical path






39. Special substance capable of acting as conductor and insulator






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






41. Flow of electrons through a conductor






42. States that current flows from positive to negative






43. Contains battery - used to check for continuity






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






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






46. Small wire that carries battery or alternator voltage






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






48. Force that causes electron flow






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






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