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. Electronic measuring instrument






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






3. Used to absorb unwanted electrical pulses






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






5. Measures amount of voltage in a circuit






6. Extra electrons that are not locked to protons






7. Voltmeter - ammeter - ohmmeter in one unit






8. Used to quickly repair automotive wiring






9. Positively charged particles






10. Circuit is complete and operational






11. Larger gauge=smaller diameter






12. Special substance capable of acting as conductor and insulator






13. Shows how electrical components are connected by wires






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






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






16. Carry current between power source and load






17. Allows current to flow in only one direction






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






19. Voltage readings displayed on an oscilloscope






20. Represent electrical components in a circuit






21. Accurate display of voltage variations shown on an oscilloscope






22. Contains battery - used to check for continuity






23. Force that causes electron flow






24. States that current flows from positive to negative






25. Have atoms that allow the flow of electrons






26. Increase






27. Measures amount of current in a circuit






28. Resist the flow of electricity






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






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

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31. States that current flows from positive to negative






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






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






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






35. Determined by diameter of wire's metal conductor






36. Group of wires enclosed in plastic or tape covering






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






38. Movement of electrons from atom to atom






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






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






41. Reads and shows two separate waveforms






42. Acts as remote control switch or current amplifier






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






44. The opposition to current flow






45. Connect electrical components to chassis or ground of the car






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






47. Flow of electrons through a conductor






48. Multi- wire terminals that conect several wires together






49. Has more than one electrical path






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