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. Formula for calculating circuit voltage - current - or resistance

2. Diagnostic tool used to find and diagnose vehicle problems

3. Special substance capable of acting as conductor and insulator

4. Resist the flow of electricity

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

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

7. The opposition to current flow

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

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

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

11. Used to quickly repair automotive wiring

12. Represent electrical components in a circuit

13. Negatively charged particles

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

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

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

17. Acts as remote control switch or current amplifier

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

19. States that current flows from positive to negative

20. Increase

21. Positively charged particles

22. States that current flows from positive to negative

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

24. Flow of electrons through a conductor

25. Determined by diameter of wire's metal conductor

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

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

28. Allows current to flow in only one direction

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

30. Contains battery - used to check for continuity

31. Accurate display of voltage variations shown on an oscilloscope

32. Measures amount of voltage in a circuit

33. Reads and shows two separate waveforms

34. Voltmeter - ammeter - ohmmeter in one unit

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

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

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

38. Can cause corrosion of electrical components

39. Have atoms that allow the flow of electrons

40. Small wire that carries battery or alternator voltage

41. Carry current between power source and load

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

43. Force that causes electron flow

44. Used to absorb unwanted electrical pulses

45. Circuit is complete and operational

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

47. Supplies electricity for circuit

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

49. Electronic measuring instrument

50. Used to test components