Test your basic knowledge |

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






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






3. Special substance capable of acting as conductor and insulator






4. Multi- wire terminals that conect several wires together






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






6. Positively charged particles






7. Electical device that uses electricity






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






9. Circuit is broken and nonoperational






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






11. Checks circuit for voltage






12. Reads and shows two separate waveforms






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






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






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






16. Has more than one electrical path






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






18. Have no charge






19. Flow of electrons through a conductor






20. Determined by diameter of wire's metal conductor






21. Diagnostic tool used to find and diagnose vehicle problems






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






23. Electronic measuring instrument






24. Acts as remote control switch or current amplifier






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






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






27. Force that causes electron flow






28. Used to absorb unwanted electrical pulses






29. Negatively charged particles






30. Allows current to flow in only one direction






31. Extra electrons that are not locked to protons






32. Voltage readings displayed on an oscilloscope






33. Carry current between power source and load






34. Larger gauge=smaller diameter






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






36. Accurate display of voltage variations shown on an oscilloscope






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

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38. Shows how electrical components are connected by wires






39. Voltmeter - ammeter - ohmmeter in one unit






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






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






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






43. Supplies electricity for circuit






44. Measures amount of voltage in a circuit






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






46. Small wire that carries battery or alternator voltage






47. States that current flows from positive to negative






48. States that current flows from positive to negative






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






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