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

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

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

4. Positively charged particles

5. Carry current between power source and load

6. Shows how electrical components are connected by wires

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

8. Voltage readings displayed on an oscilloscope

9. Allows current to flow in only one direction

10. Supplies electricity for circuit

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

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

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

14. Have no charge

15. Should be used on all electrical repairs

16. Has more than one electrical path

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

18. States that current flows from positive to negative

19. Extra electrons that are not locked to protons

20. The opposition to current flow

21. States that current flows from positive to negative

22. Checks circuit for voltage

23. Increase

24. Resist the flow of electricity

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

26. Used to test components

27. Acts as remote control switch or current amplifier

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

29. Flow of electrons through a conductor

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

31. Force that causes electron flow

32. Voltmeter - ammeter - ohmmeter in one unit

33. Diagnostic tool used to find and diagnose vehicle problems

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

35. Represent electrical components in a circuit

36. Measures amount of voltage in a circuit

37. Contains battery - used to check for continuity

38. Reads and shows two separate waveforms

39. Used to absorb unwanted electrical pulses

40. Negatively charged particles

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

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

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

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

45. Circuit is broken and nonoperational

46. Have atoms that allow the flow of electrons

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

48. Movement of electrons from atom to atom

49. Multi- wire terminals that conect several wires together

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