Test your basic knowledge |

Basic Electricity And Electronics

Subject : engineering
  • 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. Movement of electrons from atom to atom

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

3. Have no charge

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

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

6. Positively charged particles

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

8. Resist the flow of electricity

9. Represent electrical components in a circuit

10. Determined by diameter of wire's metal conductor

11. Contains battery - used to check for continuity

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

13. Should be used on all electrical repairs

14. Increase

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

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

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

18. Circuit is complete and operational

19. Used to test components

20. Flow of electrons through a conductor

21. Circuit is broken and nonoperational

22. Group of wires enclosed in plastic or tape covering

23. Special substance capable of acting as conductor and insulator

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

25. Extra electrons that are not locked to protons

26. Larger gauge=smaller diameter

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

28. Negatively charged particles

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

30. Voltage readings displayed on an oscilloscope

31. Allows current to flow in only one direction

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

33. States that current flows from positive to negative

34. Reads and shows two separate waveforms

35. Shows how electrical components are connected by wires

36. Supplies electricity for circuit

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

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

39. Accurate display of voltage variations shown on an oscilloscope

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

41. Measures amount of current in a circuit

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

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

44. States that current flows from positive to negative

45. Acts as remote control switch or current amplifier

46. Used to quickly repair automotive wiring

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

48. Small wire that carries battery or alternator voltage

49. Force that causes electron flow

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