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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. Checks circuit for voltage






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






3. Used to test components






4. Circuit is broken and nonoperational






5. Diagnostic tool used to find and diagnose vehicle problems






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






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






8. Can cause corrosion of electrical components






9. Measures amount of current in a circuit






10. Should be used on all electrical repairs






11. Reads and shows two separate waveforms






12. Used to quickly repair automotive wiring






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






14. Extra electrons that are not locked to protons






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






16. States that current flows from positive to negative






17. Carry current between power source and load






18. Special substance capable of acting as conductor and insulator






19. Accurate display of voltage variations shown on an oscilloscope






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






21. Has more than one electrical path






22. Movement of electrons from atom to atom






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






24. Voltage readings displayed on an oscilloscope






25. Used to absorb unwanted electrical pulses






26. Voltmeter - ammeter - ohmmeter in one unit






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






28. Group of wires enclosed in plastic or tape covering






29. Measures amount of voltage in a circuit






30. Negatively charged particles






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






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






33. Determined by diameter of wire's metal conductor






34. Small wire that carries battery or alternator voltage






35. Circuit is complete and operational






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






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






38. Allows current to flow in only one direction






39. Positively charged particles






40. Supplies electricity for circuit






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






42. Have no charge






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






44. Have atoms that allow the flow of electrons






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






46. The opposition to current flow






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






48. States that current flows from positive to negative






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

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50. Flow of electrons through a conductor