Electricity Fundamentals & Overview Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. This type of material allows electricity to flow through it:

Question 2 2. What type of solution is used during the electrolysis process?

Question 3 3. What happens when an ammeter is set up in a parallel connection with the part of the circuit where you want to measure current?

Question 4 4. Which of these statements is true?

Question 5 5. If you ever take laundry out of the dryer and the pieces cling together, you're experiencing a phenomenon known as _____.

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Question 6 6. What was discovered about cathode rays and the electric charge in a CRT with J. J. Thomson's first experiment?

Question 7 7. Which statement is true about the circuit shown, once the switch is closed?

Question 8 8. A 24-watt automobile headlight is powered by the car's 12V system. What is the internal resistance of the bulb (in ohms)?

Question 9 9. Which of the following statements is true?

Question 10 10. When electricity flows inside a magnetic field (like what happens with the loop of wire in an electric motor), the wire feels a force. In what general direction is that force?

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Question 11 11. How does friction cause static electricity?

Question 12 12. If several resistors are connected in series, how do you find the equivalent resistance of the circuit?

Question 13 13. ________ is the level of power behind a flow of ____, but shouldn't be confused with the electric ____ itself.

Question 14 14. What is the unit used to measure electric current?

Question 15 15. The net negative charge of a glass rod is 2.0x10^-6 C. About how many more electrons than protons are in the glass rod?

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Question 16 16. What is the power consumed by an AC spotlight that is driven by a voltage that has a 300V peak value and has an internal resistance of 10 ohms?

Question 17 17. Mulder and Scully are in a dark room, Scully turns on her flashlight to reveal the faint outline of an alien artifact. Mulder turns on his flashlight as well, when he shines it at the same object as Scully, the light level appears _____.

Question 18 18. This is the unit of measure for electrical power:

Question 19 19. Conducting an electrolysis reaction is associated with which one of the following purposes?

Question 20 20. What does an ammeter measure in a circuit?

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Question 21 21. What is the difference between a conductor and an insulator?

Question 22 22. What happens when two like charges are placed near each other?

Question 23 23. In J. J. Thomson's 3rd experiment he decided that the particles making up the cathode rays must be smaller than an atom. This ended up being correct, but what was the other possibility?

Question 24 24. A cabin cruiser uses a rechargeable 24V marine battery to run the electrical circuits. During average usage of the cabin lights and other systems, a charged battery delivers 6.3A of current. If three identical 24V batteries are connected in parallel to run the lights and other cabin systems, what will be the average current per battery during average usage?

Question 25 25. What well-known expression does this picture represent?

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Question 26 26. Coulomb's law covers what topic of physics?

Question 27 27. Which of the following statements describes how an electric motor works?

Question 28 28. You rub a balloon on your hair. The balloon becomes negatively charged; therefore, your hair:

Question 29 29. If several resistors are connected in series, how does this affect the current in the circuit?

Question 30 30. Electric potential is measured in units called which one of the following?

Electricity Fundamentals & Overview Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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