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. Used to permanently fasten wires to terminals or other wires






2. Represent electrical components in a circuit






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






4. Supplies electricity for circuit






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






6. Have atoms that allow the flow of electrons






7. Carry current between power source and load






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






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






10. Flow of electrons through a conductor






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






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

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13. Group of wires enclosed in plastic or tape covering






14. Voltmeter - ammeter - ohmmeter in one unit






15. Used to quickly repair automotive wiring






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






17. Used to absorb unwanted electrical pulses






18. Accurate display of voltage variations shown on an oscilloscope






19. Increase






20. Measures amount of current in a circuit






21. Force that causes electron flow






22. Reads and shows two separate waveforms






23. States that current flows from positive to negative






24. Small wire that carries battery or alternator voltage






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






26. Voltage readings displayed on an oscilloscope






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






28. Acts as remote control switch or current amplifier






29. Electical device that uses electricity






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






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






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






33. Used to test components






34. Special substance capable of acting as conductor and insulator






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






36. The opposition to current flow






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






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






39. Circuit is broken and nonoperational






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






41. Determined by diameter of wire's metal conductor






42. Allows current to flow in only one direction






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






44. Contains battery - used to check for continuity






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






46. Diagnostic tool used to find and diagnose vehicle problems






47. Shows how electrical components are connected by wires






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






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






50. Negatively charged particles