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Overview of Electrostatics 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. What is the electric field strength from a 3 coulomb charge with a distance of 0.4 meters? (k = 9 × 109)

Question 2 2. Jason is working on a science fair project. Part of the instructions are putting ferromagnetic materials in a magnetic field. What is Jason doing?

Question 3 3. An atom that has lost an electron is a _____.

Question 4 4. Two charged particles sit 10 cm apart and feel a force of 22 N. If we double the charge on one of the particles and double the distance, what force do the charges feel?

Question 5 5. If there's an electric field of 14 N/C pointing to the right, how much force and in which direction will a 7 C charge feel?

Page 2

Question 6 6. What happens to an electrical force field as the particles get closer?

Question 7 7. The work that charged particles will do in a circuit is known as _____.

Question 8 8. Two collections of electrons with the same charge density but with different amounts of charge will _____.

Question 9 9. Work is _____.

Question 10 10. In the diagram of an electric force field, the spacing of the field lines:

Page 3

Question 11 11. In the diagram of an electric force field, the field lines represent:

Question 12 12.

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 13 13. Do electric field lines show you the direction a positive charge will move? Why or why not?

Question 14 14. Decreasing the charge on both particles by a factor of 1/2 while decreasing the distance by a factor of 1/2 will:

Question 15 15. In Coulomb's Law, increasing the distance between particles by a factor of 2 while leaving all other factors the same will:

Page 4

Question 16 16. Fill in the blank: The size of the electric field is _____ the size of the test charge you use to measure it.

Question 17 17. What is the definition of electric field strength?

Question 18 18. Materials that are easily positively charged:

Question 19 19. An atom becomes a negative ion when:

Question 20 20. A point charge q1 of 1 microcoulombs is a horizontal distance d of 1 cm to the left of a point charge q2 of 1 microcoulombs. What would be the electric field strength of a distance x that is 2 cm to the right of point charge q2?

Page 5

Question 21 21. The strength of the electric field of a point charge is dependent on what two variables?

Question 22 22. What is the electrical force inside a Faraday cage when it is struck by lightning?

Question 23 23. What kind of an electrical force does a Faraday cage produce when it is exposed to an external electrical force?

Question 24 24. The potential of a charged particle to do work is _____.

Question 25 25. An electric force field:

Page 6

Question 26 26. What is an electric field?

Question 27 27. Increasing the charge on both particles by a factor of 2 while decreasing the distance by a factor of 2 will:

Question 28 28. What is the magnitude of electric field strength a distance of 14 meters from a 3x10^-6 coulomb charge? (Ignore the direction in this question)

Question 29 29. What particles in an atom have an electric charge?

Question 30 30. What is the electric field strength of a point charge of 10 μC at a distance of 5 cm away?

Overview of Electrostatics 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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