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Basic Electricity And Electronics

Subject : engineering
  • Answer 50 questions in 15 minutes.
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  • 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. Used to absorb unwanted electrical pulses

2. Allows current to flow in only one direction

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

4. Shows how electrical components are connected by wires

5. Accurate display of voltage variations shown on an oscilloscope

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

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

8. Should be used on all electrical repairs

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

10. Circuit is complete and operational

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

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

13. Voltmeter - ammeter - ohmmeter in one unit

14. Used to quickly repair automotive wiring

15. Supplies electricity for circuit

16. Used to test components

17. Checks circuit for voltage

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

19. Measures amount of current in a circuit

20. Movement of electrons from atom to atom

21. Electronic measuring instrument

22. Resist the flow of electricity

23. Group of wires enclosed in plastic or tape covering

24. The opposition to current flow

25. Extra electrons that are not locked to protons

26. Flow of electrons through a conductor

27. States that current flows from positive to negative

28. Contains battery - used to check for continuity

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

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

31. Increase

32. Negatively charged particles

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

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

35. Measures amount of voltage in a circuit

36. States that current flows from positive to negative

37. Multi- wire terminals that conect several wires together

38. Force that causes electron flow

39. Diagnostic tool used to find and diagnose vehicle problems

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

41. Has more than one electrical path

42. Carry current between power source and load

43. Small wire that carries battery or alternator voltage

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

45. Determined by diameter of wire's metal conductor

46. Positively charged particles

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

48. Acts as remote control switch or current amplifier

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

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