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. The opposition to current flow

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

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

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

5. Checks circuit for voltage

6. Circuit is broken and nonoperational

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

8. Circuit is complete and operational

9. Extra electrons that are not locked to protons

10. Voltage readings displayed on an oscilloscope

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

12. Should be used on all electrical repairs

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

14. Increase

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

16. Acts as remote control switch or current amplifier

17. Have atoms that allow the flow of electrons

18. Negatively charged particles

19. Determined by diameter of wire's metal conductor

20. Used to absorb unwanted electrical pulses

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

22. Group of wires enclosed in plastic or tape covering

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

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

25. Supplies electricity for circuit

26. Electronic measuring instrument

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

28. Diagnostic tool used to find and diagnose vehicle problems

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

30. Reads and shows two separate waveforms

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

32. Allows current to flow in only one direction

33. Shows how electrical components are connected by wires

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

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

36. Has more than one electrical path

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

38. Larger gauge=smaller diameter

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

40. Force that causes electron flow

41. Used to quickly repair automotive wiring

42. Positively charged particles

43. Accurate display of voltage variations shown on an oscilloscope

44. Small wire that carries battery or alternator voltage

45. States that current flows from positive to negative

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

47. Contains battery - used to check for continuity

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

49. Carry current between power source and load

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