TExES Science 7-12: Potential & Capacitance 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. Current is equal to:

Question 2 2. Which of the following statements is true about electric potential?

Question 3 3. ________ is the level of power behind a flow of ____, but shouldn't be confused with the electric ____ itself.

Question 4 4. As you follow the field lines, what happens to electric potential?

Question 5 5. Do electric field lines show you the direction a positive charge will move? Why or why not?

Page 2

Question 6 6. If the resistance is increased:

Question 7 7. Fill in the blank: Inside a conducting charged sphere, as you move towards the center, the electric potential ___________.

Question 8 8. How does electric field relate to electric potential?

Question 9 9. A parallel plate capacitor is connected to an 8-volt battery and stores 0.0001 coulombs of charge. What is the capacitance of the capacitor?

Question 10 10. Voltage is equal to:

Page 3

Question 11 11. Two collections of electrons with the same charge density but with different amounts of charge will _____.

Question 12 12. What is an electric field?

Question 13 13. Work is _____.

Question 14 14. A 3 coulomb charge is placed inside a 6 N/C electric field. What force will the charge feel?

Question 15 15. How common are capacitors?

Page 4

Question 16 16. Generators use _____ to push electrons through a wire.

Question 17 17. Charge density:

Question 18 18. Electric potential is measured in units called which one of the following?

Question 19 19. When you have an expression for electric field, how do you get one for electric potential instead?

Question 20 20. Fill in the blank: As you follow an electric field line, the electric potential _____.

Page 5

Question 21 21. What is the definition of capacitance?

Question 22 22. Voltage:

Question 23 23. If the voltage is increased:

Question 24 24. Voltage is analogous to _____.

Question 25 25. Electrons from a battery flow through an electric circuit from the _____ to the _____.

Page 6

Question 26 26. Generators are used to generate voltage in what type of power plant?

Question 27 27. A parallel plate capacitor has a surface area of 1 meter squared, and a distance of 0.1 meters between the plates. If there is a vacuum in the space between the plates, what is the capacitance of the capacitor? (The permittivity of free space is 8.854 x 10^-12)

Question 28 28. All voltage sources:

Question 29 29. Batteries convert _____ energy into electrical energy to generate _____.

Question 30 30. What is the definition of a capacitor?

TExES Science 7-12: Potential & Capacitance 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!

TExES Science 7-12 (236): Practice & Study Guide  /  Science Courses
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