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. Acts as remote control switch or current amplifier






2. Should be used on all electrical repairs






3. Multi- wire terminals that conect several wires together






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

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






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






7. Electronic measuring instrument






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






9. Accurate display of voltage variations shown on an oscilloscope






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






11. Can cause corrosion of electrical components






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






13. Shows how electrical components are connected by wires






14. Checks circuit for voltage






15. Has more than one electrical path






16. Contains battery - used to check for continuity






17. Special substance capable of acting as conductor and insulator






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






19. Voltmeter - ammeter - ohmmeter in one unit






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






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






22. Negatively charged particles






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






24. Supplies electricity for circuit






25. Have no charge






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






27. Flow of electrons through a conductor






28. Movement of electrons from atom to atom






29. States that current flows from positive to negative






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






31. Resist the flow of electricity






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






33. Reads and shows two separate waveforms






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






35. Circuit is complete and operational






36. Positively charged particles






37. Used to test components






38. Electical device that uses electricity






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






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






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






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






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






44. Voltage readings displayed on an oscilloscope






45. Used to absorb unwanted electrical pulses






46. Determined by diameter of wire's metal conductor






47. Circuit is broken and nonoperational






48. States that current flows from positive to negative






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






50. Carry current between power source and load