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






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






3. Circuit is complete and operational






4. Measures amount of voltage in a circuit






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






6. Voltmeter - ammeter - ohmmeter in one unit






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

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8. Represent electrical components in a circuit






9. Flow of electrons through a conductor






10. Diagnostic tool used to find and diagnose vehicle problems






11. Have atoms that allow the flow of electrons






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






13. Supplies electricity for circuit






14. Electical device that uses electricity






15. Extra electrons that are not locked to protons






16. States that current flows from positive to negative






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






18. Multi- wire terminals that conect several wires together






19. Force that causes electron flow






20. Shows how electrical components are connected by wires






21. Negatively charged particles






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






23. Used to absorb unwanted electrical pulses






24. Checks circuit for voltage






25. Increase






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






27. Carry current between power source and load






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






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






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






31. Used to quickly repair automotive wiring






32. Resist the flow of electricity






33. Reads and shows two separate waveforms






34. The opposition to current flow






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






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






37. Used to test components






38. Special substance capable of acting as conductor and insulator






39. Larger gauge=smaller diameter






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






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






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






43. Have no charge






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






45. Should be used on all electrical repairs






46. Allows current to flow in only one direction






47. Group of wires enclosed in plastic or tape covering






48. Small wire that carries battery or alternator voltage






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






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