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. The generator is what method of creating potential energy?






2. What is resistance in electrical terms?






3. What is voltage?






4. What is the unit of measurement of resistance?






5. What is a DC circuit characteristic?






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






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






8. What is a switch that operates by electricity?






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






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






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






12. How many kinds of poles do magnets have?






13. What is an electromagnet?






14. What is resistance?






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






16. What is another name for an inductor?






17. What is dielectric strength?






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






19. What is a type of capacitor?






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






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






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






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






24. What is true about a dry cell?






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






26. What are the two generic methods to eliminate static electricity from metal objects?






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






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






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






30. What do transducers do in electrical terms?






31. What does a first band of white mean?






32. What does resistance produce?






33. What is a type of mechanical transducer?






34. What is a characteristic of insulators?






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






36. What is the basic law of magnetic force?






37. What types of protective tapes are used?






38. To what measurement do the conductor mills refer?






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






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






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






42. When does a DC circuit oppose current flow?






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






44. What makes electrons flow?






45. Why is the transformer important to AC electricity?

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






47. What is a wire classification?






48. What is a rigid metal conduit?






49. 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






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