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. Disconnects power source from circuit when current becomes too high






2. Shows how electrical components are connected by wires






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






4. Accurate display of voltage variations shown on an oscilloscope






5. Acts as remote control switch or current amplifier






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






7. Positively charged particles






8. Measures amount of voltage in a circuit






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






10. Checks circuit for voltage






11. Have atoms that allow the flow of electrons






12. Supplies electricity for circuit






13. Group of wires enclosed in plastic or tape covering






14. Special substance capable of acting as conductor and insulator






15. Diagnostic tool used to find and diagnose vehicle problems






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






17. Reads and shows two separate waveforms






18. Voltmeter - ammeter - ohmmeter in one unit






19. Can cause corrosion of electrical components






20. Resist the flow of electricity






21. Increase






22. States that current flows from positive to negative






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






24. Movement of electrons from atom to atom






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






26. Represent electrical components in a circuit






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






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






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






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


31. Carry current between power source and load






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






33. Used to absorb unwanted electrical pulses






34. Have no charge






35. Force that causes electron flow






36. Determined by diameter of wire's metal conductor






37. Used to test components






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






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






40. Should be used on all electrical repairs






41. Negatively charged particles






42. Small wire that carries battery or alternator voltage






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






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






45. Voltage readings displayed on an oscilloscope






46. Larger gauge=smaller diameter






47. Allows current to flow in only one direction






48. States that current flows from positive to negative






49. Flow of electrons through a conductor






50. Measures amount of current in a circuit