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. Voltage readings displayed on an oscilloscope






2. Small wire that carries battery or alternator voltage






3. States that current flows from positive to negative






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






5. Measures amount of voltage in a circuit






6. Extra electrons that are not locked to protons






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






8. Represent electrical components in a circuit






9. Multi- wire terminals that conect several wires together






10. Shows how electrical components are connected by wires






11. Accurate display of voltage variations shown on an oscilloscope






12. Voltmeter - ammeter - ohmmeter in one unit






13. The opposition to current flow






14. Checks circuit for voltage






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






16. Supplies electricity for circuit






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






18. Used to test components






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






20. Resist the flow of electricity






21. Positively charged particles






22. Larger gauge=smaller diameter






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






24. Force that causes electron flow






25. Have no charge






26. Electronic measuring instrument






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

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






29. Used to quickly repair automotive wiring






30. Negatively charged particles






31. Contains battery - used to check for continuity






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






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






34. Circuit is broken and nonoperational






35. Have atoms that allow the flow of electrons






36. Determined by diameter of wire's metal conductor






37. Acts as remote control switch or current amplifier






38. Measures amount of current in a circuit






39. Electical device that uses electricity






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






41. Group of wires enclosed in plastic or tape covering






42. Carry current between power source and load






43. Allows current to flow in only one direction






44. Should be used on all electrical repairs






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






46. Diagnostic tool used to find and diagnose vehicle problems






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






48. Special substance capable of acting as conductor and insulator






49. Used to absorb unwanted electrical pulses






50. Movement of electrons from atom to atom