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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. Accurate display of voltage variations shown on an oscilloscope






2. Has more than one electrical path






3. Voltmeter - ammeter - ohmmeter in one unit






4. Increase






5. Special substance capable of acting as conductor and insulator






6. Used to test components






7. Acts as remote control switch or current amplifier






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






9. Used to quickly repair automotive wiring






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






11. Circuit is complete and operational






12. Voltage readings displayed on an oscilloscope






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






14. Group of wires enclosed in plastic or tape covering






15. Diagnostic tool used to find and diagnose vehicle problems






16. Should be used on all electrical repairs






17. Flow of electrons through a conductor






18. Determined by diameter of wire's metal conductor






19. Positively charged particles






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






21. Resist the flow of electricity






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






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






24. Can cause corrosion of electrical components






25. Contains battery - used to check for continuity






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






27. Have atoms that allow the flow of electrons






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






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






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






31. Have no charge






32. Extra electrons that are not locked to protons






33. Circuit is broken and nonoperational






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






35. Multi- wire terminals that conect several wires together






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






37. Electronic measuring instrument






38. Checks circuit for voltage






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






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






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






42. States that current flows from positive to negative






43. Electical device that uses electricity






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






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

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46. Allows current to flow in only one direction






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






48. Small wire that carries battery or alternator voltage






49. Movement of electrons from atom to atom






50. The opposition to current flow