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. Increase






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






3. Positively charged particles






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

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5. Force that causes electron flow






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






7. Checks circuit for voltage






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






9. Determined by diameter of wire's metal conductor






10. Negatively charged particles






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






12. Voltage readings displayed on an oscilloscope






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






14. The opposition to current flow






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






16. Electical device that uses electricity






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






18. Movement of electrons from atom to atom






19. Used to absorb unwanted electrical pulses






20. Measures amount of current in a circuit






21. Carry current between power source and load






22. Has more than one electrical path






23. Electronic measuring instrument






24. Group of wires enclosed in plastic or tape covering






25. Used to quickly repair automotive wiring






26. Diagnostic tool used to find and diagnose vehicle problems






27. States that current flows from positive to negative






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






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






30. Have atoms that allow the flow of electrons






31. Should be used on all electrical repairs






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






33. Flow of electrons through a conductor






34. Contains battery - used to check for continuity






35. Small wire that carries battery or alternator voltage






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






37. Voltmeter - ammeter - ohmmeter in one unit






38. Used to test components






39. Special substance capable of acting as conductor and insulator






40. Represent electrical components in a circuit






41. Measures amount of voltage in a circuit






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






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






44. Can cause corrosion of electrical components






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






46. Multi- wire terminals that conect several wires together






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






48. Extra electrons that are not locked to protons






49. Have no charge






50. Accurate display of voltage variations shown on an oscilloscope