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






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






3. Determined by diameter of wire's metal conductor






4. Carry current between power source and load






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






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






7. Acts as remote control switch or current amplifier






8. Have no charge






9. Larger gauge=smaller diameter






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






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






12. Measures amount of current in a circuit






13. Group of wires enclosed in plastic or tape covering






14. Measures amount of voltage in a circuit






15. Flow of electrons through a conductor






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






17. Electronic measuring instrument






18. Have atoms that allow the flow of electrons






19. Has more than one electrical path






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






21. Voltmeter - ammeter - ohmmeter in one unit






22. Small wire that carries battery or alternator voltage






23. Shows how electrical components are connected by wires






24. Movement of electrons from atom to atom






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






26. Voltage readings displayed on an oscilloscope






27. Electical device that uses electricity






28. Increase






29. States that current flows from positive to negative






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






31. Extra electrons that are not locked to protons






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






33. Used to absorb unwanted electrical pulses






34. Used to quickly repair automotive wiring






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






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






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






38. The opposition to current flow






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






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

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41. Special substance capable of acting as conductor and insulator






42. Negatively charged particles






43. Multi- wire terminals that conect several wires together






44. Circuit is complete and operational






45. Reads and shows two separate waveforms






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






47. Supplies electricity for circuit






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






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






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