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. Resist the flow of electricity






2. Contains battery - used to check for continuity






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






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






5. Increase






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






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






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






9. Voltage readings displayed on an oscilloscope






10. Has more than one electrical path






11. Extra electrons that are not locked to protons






12. Larger gauge=smaller diameter






13. Special substance capable of acting as conductor and insulator






14. Allows current to flow in only one direction






15. Voltmeter - ammeter - ohmmeter in one unit






16. Have no charge






17. Used to quickly repair automotive wiring






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






19. Have atoms that allow the flow of electrons






20. Used to absorb unwanted electrical pulses






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






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






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






24. Negatively charged particles






25. Movement of electrons from atom to atom






26. Checks circuit for voltage






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






28. Accurate display of voltage variations shown on an oscilloscope






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






30. Acts as remote control switch or current amplifier






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






32. The opposition to current flow






33. Electronic measuring instrument






34. Force that causes electron flow






35. Circuit is broken and nonoperational






36. Reads and shows two separate waveforms






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






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






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






40. Electical device that uses electricity






41. Diagnostic tool used to find and diagnose vehicle problems






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

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






44. Used to test components






45. Shows how electrical components are connected by wires






46. Measures amount of current in a circuit






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






48. Represent electrical components in a circuit






49. Small wire that carries battery or alternator voltage






50. Carry current between power source and load