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 the term for two or more cells attached together?






2. What is the purpose of a raceway?






3. What determines the resistance of a resistor?






4. Identify the blueprint symbol for capacitors.






5. What is resistance in electrical terms?






6. What is resistance?






7. When reading resistance color codes - what does the fourth band indicate?






8. What results when current is run through a material with high resistance?






9. How are the capacitors connected when the combined capacitance equals a sum of all the capacitors?






10. What is the purpose of capacitors in electrical circuits?






11. What is the use of the electromagnet?






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






13. What is the measure of potential difference?






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






15. When does a DC circuit oppose current flow?






16. What must be large enough to carry the largest current likely to occur?






17. What makes electrons flow?






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






19. How do static charges distribute themselves?






20. What is the relationship between magnetism and electricity?






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






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






23. How is capacitance determined?






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






25. What wire measurement is commonly used in the U.S.?






26. What is the fundamental property of insulators?






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






28. What does Ohm's Law represent?






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






30. To what measurement do the conductor mills refer?






31. What is the relationship between cells and batteries?






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






33. What do junction boxes protect?






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






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






36. What is power?






37. How do you read resistor color codes?






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






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






40. What is a type of capacitor?






41. The dry cell is what method for creating potential energy?






42. What is the difference between AC and DC?






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






44. What is the basic law of magnetic force?






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






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






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






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






49. What is a conductor?






50. What is the unit of measurement of electrical current?






Can you answer 50 questions in 15 minutes?



Let me suggest you:



Major Subjects



Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Most popular tests