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. Current entering in wrong direction & diode acts as inulator






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






3. Have no charge






4. Flow of electrons through a conductor






5. Resist the flow of electricity






6. Special substance capable of acting as conductor and insulator






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






8. Diagnostic tool used to find and diagnose vehicle problems






9. Circuit is complete and operational






10. Small wire that carries battery or alternator voltage






11. Used to test components






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






13. Group of wires enclosed in plastic or tape covering






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






15. Used to quickly repair automotive wiring






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






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






18. Carry current between power source and load






19. Used to absorb unwanted electrical pulses






20. Contains battery - used to check for continuity






21. Reads and shows two separate waveforms






22. Voltmeter - ammeter - ohmmeter in one unit






23. Acts as remote control switch or current amplifier






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






25. Electical device that uses electricity






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






27. Multi- wire terminals that conect several wires together






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






29. Should be used on all electrical repairs






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






31. Determined by diameter of wire's metal conductor






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






33. Measures amount of voltage in a circuit






34. Measures amount of current in a circuit






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






36. Has more than one electrical path






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






38. Voltage readings displayed on an oscilloscope






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

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40. Extra electrons that are not locked to protons






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






42. Shows how electrical components are connected by wires






43. Positively charged particles






44. Movement of electrons from atom to atom






45. Electronic measuring instrument






46. Increase






47. States that current flows from positive to negative






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






49. Can cause corrosion of electrical components






50. Allows current to flow in only one direction