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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. Special substance capable of acting as conductor and insulator






2. Negatively charged particles






3. Used to quickly repair automotive wiring






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






5. States that current flows from positive to negative






6. Circuit is broken and nonoperational






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






8. Accurate display of voltage variations shown on an oscilloscope






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






10. Multi- wire terminals that conect several wires together






11. Increase






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






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






14. States that current flows from positive to negative






15. Carry current between power source and load






16. Voltmeter - ammeter - ohmmeter in one unit






17. Positively charged particles






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






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






20. Extra electrons that are not locked to protons






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






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






23. Small wire that carries battery or alternator voltage






24. Movement of electrons from atom to atom






25. The opposition to current flow






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






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






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






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






30. Allows current to flow in only one direction






31. Contains battery - used to check for continuity






32. Can cause corrosion of electrical components






33. Have atoms that allow the flow of electrons






34. Measures amount of voltage in a circuit






35. Group of wires enclosed in plastic or tape covering






36. Electronic measuring instrument






37. Electical device that uses electricity






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






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






40. Diagnostic tool used to find and diagnose vehicle problems






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






42. Reads and shows two separate waveforms






43. Used to test components






44. Supplies electricity for circuit






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

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






47. Voltage readings displayed on an oscilloscope






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






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






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