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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. Resist the flow of electricity






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






3. Have no charge






4. Special substance capable of acting as conductor and insulator






5. Carry current between power source and load






6. Voltmeter - ammeter - ohmmeter in one unit






7. Diagnostic tool used to find and diagnose vehicle problems






8. Have atoms that allow the flow of electrons






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






10. The opposition to current flow






11. Electical device that uses electricity






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






13. Contains battery - used to check for continuity






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






15. Acts as remote control switch or current amplifier






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






17. Extra electrons that are not locked to protons






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






19. Measures amount of current in a circuit






20. Small wire that carries battery or alternator voltage






21. Accurate display of voltage variations shown on an oscilloscope






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






23. Allows current to flow in only one direction






24. Represent electrical components in a circuit






25. Supplies electricity for circuit






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






27. Negatively charged particles






28. Measures amount of voltage in a circuit






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






30. Positively charged particles






31. Multi- wire terminals that conect several wires together






32. Used to quickly repair automotive wiring






33. Group of wires enclosed in plastic or tape covering






34. Should be used on all electrical repairs






35. Used to absorb unwanted electrical pulses






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






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






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






39. Checks circuit for voltage






40. Used to test components






41. Voltage readings displayed on an oscilloscope






42. States that current flows from positive to negative






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






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






45. Increase






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






47. Larger gauge=smaller diameter






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






49. Determined by diameter of wire's metal conductor






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

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