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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. Should be used on all electrical repairs






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






3. Used to test components






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






5. Supplies electricity for circuit






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






7. Contains battery - used to check for continuity






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






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






10. Electronic measuring instrument






11. Measures amount of voltage in a circuit






12. Circuit is complete and operational






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






14. Force that causes electron flow






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






16. Voltmeter - ammeter - ohmmeter in one unit






17. Negatively charged particles






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






19. Flow of electrons through a conductor






20. Small wire that carries battery or alternator voltage






21. Positively charged particles






22. Accurate display of voltage variations shown on an oscilloscope






23. Used to quickly repair automotive wiring






24. The opposition to current flow






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






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






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






28. Electical device that uses electricity






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






30. Diagnostic tool used to find and diagnose vehicle problems






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






32. Extra electrons that are not locked to protons






33. Checks circuit for voltage






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






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






36. Multi- wire terminals that conect several wires together






37. Have atoms that allow the flow of electrons






38. Special substance capable of acting as conductor and insulator






39. Shows how electrical components are connected by wires






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






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






42. Allows current to flow in only one direction






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






44. Acts as remote control switch or current amplifier






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

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46. Can cause corrosion of electrical components






47. Larger gauge=smaller diameter






48. Determined by diameter of wire's metal conductor






49. Group of wires enclosed in plastic or tape covering






50. States that current flows from positive to negative







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