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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. Force that causes electron flow

2. Have atoms that allow the flow of electrons

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

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

5. Used to absorb unwanted electrical pulses

6. Voltage readings displayed on an oscilloscope

7. Determined by diameter of wire's metal conductor

8. Carry current between power source and load

9. Used to quickly repair automotive wiring

10. Allows current to flow in only one direction

11. Used to test components

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

13. Contains battery - used to check for continuity

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

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

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

17. Negatively charged particles

18. Accurate display of voltage variations shown on an oscilloscope

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

20. Movement of electrons from atom to atom

21. Increase

22. Electical device that uses electricity

23. Circuit is complete and operational

24. The opposition to current flow

25. States that current flows from positive to negative

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

27. Extra electrons that are not locked to protons

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

29. Electronic measuring instrument

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

31. Shows how electrical components are connected by wires

32. Measures amount of current in a circuit

33. Has more than one electrical path

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

35. Circuit is broken and nonoperational

36. Supplies electricity for circuit

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

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

39. Positively charged particles

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

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

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

43. Special substance capable of acting as conductor and insulator

44. States that current flows from positive to negative

45. Voltmeter - ammeter - ohmmeter in one unit

46. Resist the flow of electricity

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

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

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

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