Test your basic knowledge |

Basic Electricity And Electronics

Subject : engineering
Instructions:
  • 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. Reads and shows two separate waveforms






2. Extra electrons that are not locked to protons






3. Used to test components






4. Supplies electricity for circuit






5. Flow of electrons through a conductor






6. Voltage readings displayed on an oscilloscope






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






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






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






10. Has more than one electrical path






11. The opposition to current flow






12. Represent electrical components in a circuit






13. Can cause corrosion of electrical components






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

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15. Movement of electrons from atom to atom






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






17. Negatively charged particles






18. Accurate display of voltage variations shown on an oscilloscope






19. Small wire that carries battery or alternator voltage






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






21. Group of wires enclosed in plastic or tape covering






22. Measures amount of current in a circuit






23. Have no charge






24. Determined by diameter of wire's metal conductor






25. Resist the flow of electricity






26. Diagnostic tool used to find and diagnose vehicle problems






27. Special substance capable of acting as conductor and insulator






28. States that current flows from positive to negative






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






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






31. Carry current between power source and load






32. Force that causes electron flow






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






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






35. Measures amount of voltage in a circuit






36. Increase






37. Used to quickly repair automotive wiring






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






39. Circuit is broken and nonoperational






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






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






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






43. Shows how electrical components are connected by wires






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






45. Used to absorb unwanted electrical pulses






46. Larger gauge=smaller diameter






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






48. Electronic measuring instrument






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






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