AP Physics 2: Electric Fields 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. Why would there be no electric field at the center of a square having four identical charges at each corner of the square?

Question 2 2. A charge q1 = 3 x 10-6 C is located on 35 cm from the origin on the +x-axis. Which way does the electric field at the origin point?

Question 3 3. Two parallel plates, each with an area of 0.5 m2 are 4.0 mm apart. One has a total charge of 4 nC and the other has a total charge of -4 nC. What is the magnitude of the electric field between the plates?

Question 4 4. The positive charge shown below enters the region between two charged parallel plates. In what direction will it feel a force?

Use this material to answer questions #5 through #7

Use the electric field with a charge of 10 coulombs and a charge density of 4 coulombs that is 5 meters away to answer the following question.

Question 5 5. What is the electric potential of the charge density?

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Use this material to answer questions #5 through #7

Use the electric field with a charge of 10 coulombs and a charge density of 4 coulombs that is 5 meters away to answer the following question.

Question 6 6. What is the potential energy of the charge density?

Use this material to answer questions #5 through #7

Use the electric field with a charge of 10 coulombs and a charge density of 4 coulombs that is 5 meters away to answer the following question.

Question 7 7. How will the potential energy change if the charge density changes to 5 coulombs?

Question 8 8. Fill in the blanks: Opposite charges _____, like charges _____.

Question 9 9. Which of the following is the definition of a vector field?

Question 10 10. What is electric potential energy?

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Question 11 11. Where is the zero of potential?

Question 12 12. Which way are electric field lines oriented with a single positive charge?

Question 13 13. What is the sign of the two charges in the diagram?

Question 14 14. Two parallel plates, one positively charged, one negatively charged, have a uniform electric field between them. (The field lines point from positive to negative.) Where between the plates is the electric potential greatest?

Question 15 15. What is electric potential?

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Question 16 16. In the first right hand rule, if the thumb is pointing in the direction of the current and the fingers are pointing in the direction of the magnetic field, which direction is the magnetic force?

Question 17 17. In the first right hand rule, what basic gesture are you making?

Question 18 18. When using Coulomb's law, increasing the charge on one particle by a factor of 2 while leaving all other factors the same will:

Question 19 19. Decreasing the charge on both particles by a factor of 2 while leaving all other factors the same will:

Question 20 20. Fill in the blanks: Electric field lines point _____ positive charges, and _____ negative charges.

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Question 21 21.

With electric field lines, how are stronger electric fields are represented?

I. By electric field lines that are close together

II. By electric field lines that are far apart

III. By using long vector arrows

IV. By using short vector arrows

Question 22 22. If you ever take laundry out of the dryer and the pieces cling together, you're experiencing a phenomenon known as _____.

Question 23 23. Two charged objects exert forces on each other. The sizes of both forces will increase if which of these happens?

Question 24 24. Which of these is positively charged?

Question 25 25. A plastic ball with a charge of +1.0 C is brought near another ball with a charge of -2.0 C. The balls are let go so that they are free to move. What happens?

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Question 26 26. Isolines of electric potential connect

Question 27 27. Electric field lines point

Question 28 28. What are the units for electric fields?

Question 29 29. What direction is the electric field between the two plates shown below?

Question 30 30. What is the definition of electric field strength?

AP Physics 2: Electric Fields 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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