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. The opposition to current flow






2. Electical device that uses electricity






3. Positively charged particles






4. Used to test components






5. Represent electrical components in a circuit






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






7. Electronic measuring instrument






8. Shows how electrical components are connected by wires






9. Measures amount of voltage in a circuit






10. Extra electrons that are not locked to protons






11. Special substance capable of acting as conductor and insulator






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






13. Negatively charged particles






14. Voltage readings displayed on an oscilloscope






15. Allows current to flow in only one direction






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






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






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






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






20. Group of wires enclosed in plastic or tape covering






21. Reads and shows two separate waveforms






22. Checks circuit for voltage






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






24. Small wire that carries battery or alternator voltage






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






26. Supplies electricity for circuit






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






28. Diagnostic tool used to find and diagnose vehicle problems






29. Acts as remote control switch or current amplifier






30. Voltmeter - ammeter - ohmmeter in one unit






31. Resist the flow of electricity






32. Flow of electrons through a conductor






33. Circuit is complete and operational






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






35. Determined by diameter of wire's metal conductor






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






37. Multi- wire terminals that conect several wires together






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






39. Measures amount of current in a circuit






40. Contains battery - used to check for continuity






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






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






43. States that current flows from positive to negative






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






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






46. Have atoms that allow the flow of electrons






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






48. States that current flows from positive to negative






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

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50. Used to absorb unwanted electrical pulses