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






2. Force that causes electron flow






3. Extra electrons that are not locked to protons






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






5. Voltmeter - ammeter - ohmmeter in one unit






6. Voltage readings displayed on an oscilloscope






7. Flow of electrons through a conductor






8. Small wire that carries battery or alternator voltage






9. Represent electrical components in a circuit






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






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






12. Positively charged particles






13. Checks circuit for voltage






14. Have no charge






15. Special substance capable of acting as conductor and insulator






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


17. Used to absorb unwanted electrical pulses






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






19. States that current flows from positive to negative






20. Larger gauge=smaller diameter






21. Shows how electrical components are connected by wires






22. Used to quickly repair automotive wiring






23. Can cause corrosion of electrical components






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






25. Increase






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






27. Accurate display of voltage variations shown on an oscilloscope






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






29. Measures amount of voltage in a circuit






30. Diagnostic tool used to find and diagnose vehicle problems






31. Movement of electrons from atom to atom






32. Has more than one electrical path






33. The opposition to current flow






34. Have atoms that allow the flow of electrons






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






36. Reads and shows two separate waveforms






37. Circuit is complete and operational






38. Negatively charged particles






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






40. Used to test components






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






42. Electronic measuring instrument






43. Determined by diameter of wire's metal conductor






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






45. States that current flows from positive to negative






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






47. Group of wires enclosed in plastic or tape covering






48. Multi- wire terminals that conect several wires together






49. Electical device that uses electricity






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