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






2. Negatively charged particles






3. Electical device that uses electricity






4. Accurate display of voltage variations shown on an oscilloscope






5. Carry current between power source and load






6. Should be used on all electrical repairs






7. Increase






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






9. Force that causes electron flow






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






11. Diagnostic tool used to find and diagnose vehicle problems






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






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






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






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






16. Larger gauge=smaller diameter






17. Used to quickly repair automotive wiring






18. Measures amount of voltage in a circuit






19. Small wire that carries battery or alternator voltage






20. Checks circuit for voltage






21. Multi- wire terminals that conect several wires together






22. Shows how electrical components are connected by wires






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






24. Positively charged particles






25. Extra electrons that are not locked to protons






26. Special substance capable of acting as conductor and insulator






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






28. Have no charge






29. Used to absorb unwanted electrical pulses






30. Supplies electricity for circuit






31. States that current flows from positive to negative






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






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

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34. Allows current to flow in only one direction






35. Used to test components






36. Electronic measuring instrument






37. Voltage readings displayed on an oscilloscope






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






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






40. Determined by diameter of wire's metal conductor






41. Voltmeter - ammeter - ohmmeter in one unit






42. Has more than one electrical path






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






44. Resist the flow of electricity






45. Reads and shows two separate waveforms






46. Circuit is broken and nonoperational






47. Represent electrical components in a circuit






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






49. Flow of electrons through a conductor






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