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 type of circuit has two or more paths for current to follow?






2. Solve the equation: 35 volts / 0.70 amperes= ? ohms - to find resistance.






3. What is true about a dry cell?






4. What is resistance in electrical terms?






5. What is a characteristic of insulators?






6. What is a property of inductors in electrical circuits?






7. What is the name for electrical resistance of insulation?






8. In most applications - what remains constant if the current remains constant and flows in one direction?






9. The generator is what method of creating potential energy?






10. What is a wire classification?






11. What instrument measures voltage?






12. Given E=I X R and the following information - plug in the data and solve the problem for voltage. 0.015 ohms - 800 amps of current






13. Which of the following is a type of resistor?






14. What are the common units of measurement for round and square conductor cross - sections?






15. How do static charges distribute themselves?






16. What is a type of mechanical transducer?






17. What type of circuit has one path of follow through a load?






18. Identify the blueprint symbol for capacitors.






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






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






21. What is dielectric strength?






22. What is resistance?






23. What do electrical charges need to cause a fire or explosion?






24. What is the relationship between cells and batteries?






25. Which type of cell can be recharged?






26. What is the purpose of resistors in electrical circuits?






27. How is capacitance determined?






28. What do transducers do in electrical terms?






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






30. What is the basic law of magnetic force?






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






32. What determines whether a spark can be produced?






33. Why is the transformer important to AC electricity?

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34. What makes electrons flow?






35. What is the measure of potential difference?






36. What is induction?






37. What is a common cause of static electricity in a shop?






38. What information do the Left-Hand Rules provide?






39. What is produced when an alternator rotates 360 electrical degrees through a magnetic field?






40. What do we call the process of replacement of vapor above a liquid with a nonflammable gas?






41. What is the unit of measurement of resistance?






42. Which of the following materials is NOT a good conductor?






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






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






45. What is an electromagnet?






46. What is the fundamental property of insulators?






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






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






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






50. What does a third band of brown mean?