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. Used to permanently fasten wires to terminals or other wires






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






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






4. Acts as remote control switch or current amplifier






5. Used to quickly repair automotive wiring






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






7. Small wire that carries battery or alternator voltage






8. States that current flows from positive to negative






9. The opposition to current flow






10. Used to absorb unwanted electrical pulses






11. Extra electrons that are not locked to protons






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






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






14. Larger gauge=smaller diameter






15. Accurate display of voltage variations shown on an oscilloscope






16. Electronic measuring instrument






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






18. Have atoms that allow the flow of electrons






19. Allows current to flow in only one direction






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






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






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






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






24. Carry current between power source and load






25. Movement of electrons from atom to atom






26. Has more than one electrical path






27. Represent electrical components in a circuit






28. Used to test components






29. Can cause corrosion of electrical components






30. Measures amount of voltage in a circuit






31. Multi- wire terminals that conect several wires together






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






33. Negatively charged particles






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

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35. Contains battery - used to check for continuity






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






37. Force that causes electron flow






38. States that current flows from positive to negative






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






40. Shows how electrical components are connected by wires






41. Determined by diameter of wire's metal conductor






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






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






44. Special substance capable of acting as conductor and insulator






45. Reads and shows two separate waveforms






46. Increase






47. Diagnostic tool used to find and diagnose vehicle problems






48. Measures amount of current in a circuit






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






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