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






2. Acts as remote control switch or current amplifier






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






4. Larger gauge=smaller diameter






5. Contains battery - used to check for continuity






6. States that current flows from positive to negative






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






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






9. Shows how electrical components are connected by wires






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






11. Electical device that uses electricity






12. Measures amount of voltage in a circuit






13. Voltage readings displayed on an oscilloscope






14. Force that causes electron flow






15. Reads and shows two separate waveforms






16. Small wire that carries battery or alternator voltage






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






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






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






20. Positively charged particles






21. Has more than one electrical path






22. Voltmeter - ammeter - ohmmeter in one unit






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






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






25. Determined by diameter of wire's metal conductor






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






27. Electronic measuring instrument






28. States that current flows from positive to negative






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






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






31. Special substance capable of acting as conductor and insulator






32. Used to test components






33. Used to absorb unwanted electrical pulses






34. Have no charge






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






36. Have atoms that allow the flow of electrons






37. Allows current to flow in only one direction






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






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






40. Represent electrical components in a circuit






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






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






43. Movement of electrons from atom to atom






44. Negatively charged particles






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

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46. Flow of electrons through a conductor






47. Supplies electricity for circuit






48. Should be used on all electrical repairs






49. The opposition to current flow






50. Extra electrons that are not locked to protons