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. Group of wires enclosed in plastic or tape covering






2. Has more than one electrical path






3. Should be used on all electrical repairs






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






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






6. Used to absorb unwanted electrical pulses






7. Measures amount of current in a circuit






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

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9. Shows how electrical components are connected by wires






10. Accurate display of voltage variations shown on an oscilloscope






11. Movement of electrons from atom to atom






12. Small wire that carries battery or alternator voltage






13. States that current flows from positive to negative






14. Can cause corrosion of electrical components






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






16. Supplies electricity for circuit






17. Multi- wire terminals that conect several wires together






18. Extra electrons that are not locked to protons






19. Electronic measuring instrument






20. Flow of electrons through a conductor






21. Increase






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






23. Represent electrical components in a circuit






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






25. Used to quickly repair automotive wiring






26. Voltage readings displayed on an oscilloscope






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






28. Negatively charged particles






29. Circuit is broken and nonoperational






30. Voltmeter - ammeter - ohmmeter in one unit






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






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






33. Reads and shows two separate waveforms






34. Allows current to flow in only one direction






35. Force that causes electron flow






36. Acts as remote control switch or current amplifier






37. Special substance capable of acting as conductor and insulator






38. Have atoms that allow the flow of electrons






39. Circuit is complete and operational






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






41. Resist the flow of electricity






42. Contains battery - used to check for continuity






43. Have no charge






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






45. The opposition to current flow






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






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






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






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






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