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






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






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






4. Determined by diameter of wire's metal conductor






5. Diagnostic tool used to find and diagnose vehicle problems






6. Acts as remote control switch or current amplifier






7. Flow of electrons through a conductor






8. Supplies electricity for circuit






9. Contains battery - used to check for continuity






10. States that current flows from positive to negative






11. Represent electrical components in a circuit






12. Shows how electrical components are connected by wires






13. Positively charged particles






14. Have no charge






15. Accurate display of voltage variations shown on an oscilloscope






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






17. Circuit is broken and nonoperational






18. Measures amount of voltage in a circuit






19. Multi- wire terminals that conect several wires together






20. Group of wires enclosed in plastic or tape covering






21. Used to quickly repair automotive wiring






22. Has more than one electrical path






23. Carry current between power source and load






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






25. Electical device that uses electricity






26. Used to absorb unwanted electrical pulses






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






28. Larger gauge=smaller diameter






29. Electronic measuring instrument






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






31. Allows current to flow in only one direction






32. Voltage readings displayed on an oscilloscope






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






34. Circuit is complete and operational






35. Movement of electrons from atom to atom






36. The opposition to current flow






37. Used to test components






38. Resist the flow of electricity






39. Checks circuit for voltage






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






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






42. Voltmeter - ammeter - ohmmeter in one unit






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






44. Negatively charged particles






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






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






47. Small wire that carries battery or alternator voltage






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


49. Should be used on all electrical repairs






50. States that current flows from positive to negative