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. Accurate display of voltage variations shown on an oscilloscope






2. Allows current to flow in only one direction






3. Measures amount of current in a circuit






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






5. Checks circuit for voltage






6. Resist the flow of electricity






7. Circuit is broken and nonoperational






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






9. Group of wires enclosed in plastic or tape covering






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






11. Larger gauge=smaller diameter






12. Measures amount of voltage in a circuit






13. Represent electrical components in a circuit






14. Negatively charged particles






15. Flow of electrons through a conductor






16. Electronic measuring instrument






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






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






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






20. Have no charge






21. Used to absorb unwanted electrical pulses






22. Can cause corrosion of electrical components






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






24. Voltmeter - ammeter - ohmmeter in one unit






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


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






27. Multi- wire terminals that conect several wires together






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






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






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






31. Voltage readings displayed on an oscilloscope






32. Carry current between power source and load






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






34. Have atoms that allow the flow of electrons






35. Positively charged particles






36. Reads and shows two separate waveforms






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






38. Circuit is complete and operational






39. The opposition to current flow






40. Special substance capable of acting as conductor and insulator






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






42. States that current flows from positive to negative






43. Used to quickly repair automotive wiring






44. Movement of electrons from atom to atom






45. Small wire that carries battery or alternator voltage






46. Supplies electricity for circuit






47. Electical device that uses electricity






48. Extra electrons that are not locked to protons






49. States that current flows from positive to negative






50. Diagnostic tool used to find and diagnose vehicle problems