Test your basic knowledge |

Basic Electricity

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. What is capacitance in electrical terms?






2. Identify the general blueprint symbol for inductors.






3. What is a way to classify wires and cables?






4. What is voltage?






5. Identify the blueprint symbol for resistors.






6. What is the basic law of magnetic force?






7. Which way is the current going in the circuit shown?(electron flow)






8. What is induction?






9. What do we call the ability to do work?






10. What does an object have if a magnetic field acts on it?






11. What is the term for two or more cells attached together?






12. Which material has the lowest resistance at ordinary temperatures?






13. Why is the transformer important to AC electricity?

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14. What is a switch that operates by electricity?






15. What can permanently break down a capacitor?






16. Which type of cell can be recharged?






17. What is the term for doing work at the rate of joule per second?






18. When reading resistance color codes - what does the first band indicate?






19. What is 'difference in potential(potential difference) - per unit of charge - between two points'?






20. To what measurement do the conductor mills refer?






21. What are the names of two of the six primary methods of producing a voltage?






22. How many kinds of poles do magnets have?






23. What is the unit of measurement of potential difference?






24. What does a first band of white mean?






25. What is the fundamental property of insulators?






26. What is the term used when a magnetic field produced by coil 1 created a current in coil 2?






27. What is the difference between AC and DC?






28. The thermocouple uses which method for creating potential energy?






29. What types of protective tapes are used?






30. What is the type of cable composed of many fine wires?






31. What determines whether a spark can be produced?






32. What is dielectric strength?






33. What is a characteristic of insulators?






34. What is a type of capacitor?






35. What is another name for an inductor?






36. What is true about a dry cell?






37. What is a characteristic of a fixed resistor?






38. What is a conductor?






39. How do static charges distribute themselves?






40. What is the relationship between cells and batteries?






41. Where does the thumb point in both Left-Hand Rules?






42. Where do the fingers point in both Left-Hand Rules?






43. What does a transformer transform?






44. What instrument measures voltage?






45. How is the heat production measured in a resistor?






46. If the fourth color band is gold - this means the measured value of the resistance is what percent of the marked value?






47. What is resistance in electrical terms?






48. What is the relationship of conductor size and length to resistance?






49. What is the purpose of a raceway?






50. What is the relationship between magnetism and electricity?