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Modeling Electricity 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!

Page 1

Question 1 1. How much work is required to move a particle with a 3 C charge from a location in an electric field to that has a 10 V potential to a location that has a 9 V potential?

Question 2 2. Due to its location in an electric field, a charged particle has _____ energy.

Question 3 3. What is the potential difference between two locations if their individual potentials are 4.5 V and 2.3 V?

Question 4 4. A Btu is the amount of heat needed to ___the temperature of ___ of water by ___.

Question 5 5. If you cook something in your 2,000 W microwave for 2 hours, how many kWh did it use?

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Question 6 6. If 1 Btu = 252 cal, how many Calories are in 10 Btu?

Question 7 7. Which of the following circuits shows an ammeter set up correctly to measure the current passing through resistor 1 (R1)?

Question 8 8. Which of the following circuits shows an ammeter set up correctly to measure the current passing through resistor 3 (R3)?

Question 9 9. What does an ammeter measure in a circuit?

Question 10 10. What does the term, 'charge density', refer to?

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Question 11 11. Electric potential is measured in units called which one of the following?

Question 12 12. Which of the following statements is true about electric potential?

Question 13 13. What is the standard unit of power?

Question 14 14. Which of the following scenarios will most likely require MORE power?

Question 15 15. Which one of the formulas best describes ''power''?

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Question 16 16. The transfer of electrical energy through a conductor:

Question 17 17. Direct current:

Question 18 18. Current is:

Question 19 19. An object becomes electrically charged when:

Question 20 20. Objects with similar charges _____, and objects with opposite charges _____.

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Question 21 21. What particles in an atom have an electric charge?

Question 22 22. What is a multimeter?

Question 23 23. Voltmeters are designed so that they do not change what in the circuit they are measuring?

Question 24 24. Old-fashioned voltmeters do not use electronics, but loops of wire placed near what?

Question 25 25. What is the unit used to measure electric current?

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Question 26 26. What is the abbreviation for the ampere unit?

Question 27 27. A copper voltameter uses a square cathode plate measuring 7 inches on each side. The current density is kept at 10 amperes per foot. What current is required to deposit copper fully on both sides of the cathode at the specified current density?

Question 28 28. Which of the following is a property of energy?

Question 29 29. Which of the following types of energy does the sun use to heat up our atmosphere?

Question 30 30. Which of the following is the best definition for energy?

Modeling Electricity 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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