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. States that current flows from positive to negative






2. Special substance capable of acting as conductor and insulator






3. Have atoms that allow the flow of electrons






4. Checks circuit for voltage






5. Carry current between power source and load






6. Determined by diameter of wire's metal conductor






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






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

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9. Multi- wire terminals that conect several wires together






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






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






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






13. Have no charge






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






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






16. Electronic measuring instrument






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






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






19. Negatively charged particles






20. Extra electrons that are not locked to protons






21. Movement of electrons from atom to atom






22. Supplies electricity for circuit






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






24. Force that causes electron flow






25. Increase






26. Accurate display of voltage variations shown on an oscilloscope






27. Acts as remote control switch or current amplifier






28. Electical device that uses electricity






29. States that current flows from positive to negative






30. The opposition to current flow






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






32. Small wire that carries battery or alternator voltage






33. Resist the flow of electricity






34. Measures amount of voltage in a circuit






35. Voltmeter - ammeter - ohmmeter in one unit






36. Reads and shows two separate waveforms






37. Diagnostic tool used to find and diagnose vehicle problems






38. Larger gauge=smaller diameter






39. Allows current to flow in only one direction






40. Circuit is broken and nonoperational






41. Flow of electrons through a conductor






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






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






44. Positively charged particles






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






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






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






48. Shows how electrical components are connected by wires






49. Can cause corrosion of electrical components






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