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Electrical Forces and Fields in Physics: Homework Help Chapter Exam - Exam Results

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 "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. The strength of the force between charged particles is dependent on:

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Question 2 2. In the diagram of an electric force field, field lines pointing in represent _____.

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Question 3 3. An electric force field:

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Question 4 4. In the diagram of an electric force field, the field lines represent:

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Question 5 5. Due to its location in an electric field, a charged particle has _____ energy.

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Question 6 6. What is the potential difference between two locations if their individual potentials are 4.5 V and 2.3 V?

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Question 7 7. Electric potential is analogous to _____ potential because it describes a particles potential energy solely as a function of its location in a energy field.

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Question 8 8. 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?

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Question 9 9. What are the boundaries of integration when determining the net electric field at the origin generated by a positively charged rod?

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Question 10 10. A positively charged semicircle is oriented as shown in the diagram. Which direction is the net electric field oriented at the origin?

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Question 11 11. Which way is an electric field oriented for a positive charge?

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Question 12 12. Which Greek letter is used to represent linear charge density?

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Question 13 13. Conductivity is:

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Question 14 14. Materials that make good electrical insulators contain atoms with:

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Question 15 15. An example of a good conductor is:

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Question 16 16. Electrical energy is conducted through a material by:

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Question 17 17. Algebraically, what is the flux equal to?

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Question 18 18. How can Gauss' Law be described in terms of variables/equations?

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Question 19 19. What is Gauss' Law?

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Question 20 20. A metal, conducting cylinder of length 0.25 meters contains a total charge of 0.5 coulombs. Use Gauss' Law to find the electric field strength at a radius of 0.1 meters from the cylinder, assuming the cylinder has a radius less than 0.1 meters.

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Question 21 21. An atom becomes a negative ion when:

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Question 22 22. What particles in an atom have an electric charge?

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Question 23 23. Objects with similar charges _____, and objects with opposite charges _____.

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Question 24 24. An object becomes electrically charged when:

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Question 25 25. When using Coulomb's law, increasing the charge on one particle by a factor of 2 while leaving all other factors the same will:

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Question 26 26. Decreasing the charge on both particles by a factor of 2 while leaving all other factors the same will:

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

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Question 28 28. Decreasing the charge on both particles by a factor of 1/2 while decreasing the distance by a factor of 1/2 will:

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Question 29 29. In the diagram of an electric force field, the spacing of the field lines:

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Question 30 30. What units are used to describe electric potential difference?

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Electrical Forces and Fields in Physics: Homework Help 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 "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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