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Holt Physical Science Chapter 17: Introduction to 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 "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 two types of current are:

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Question 2 2. Direct current:

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Question 3 3. Current is:

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

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Page 2

Question 6 6. An electric force field:

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Question 7 7. Voltage is analogous to _____.

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Question 8 8. The potential of a charged particle to do work is _____.

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Question 9 9. Two collections of electrons with the same charge density but with different amounts of charge will _____.

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Question 10 10. Electrons from a battery flow through an electric circuit from the _____ to the _____.

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Page 3

Question 11 11. Batteries convert _____ energy into electrical energy to generate _____.

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Question 12 12. Generators are used to generate voltage in what type of power plant?

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Question 13 13. Objects with similar charges _____, and objects with opposite charges _____.

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Question 14 14. An atom becomes a negative ion when:

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Question 15 15. An object becomes electrically charged when:

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Page 4

Question 16 16. Electrical resistance is caused by:

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Question 17 17. If the temperature of a conductor increases, then:

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Question 18 18. The resistance of a wire increases if:

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Question 19 19. Voltage is equal to:

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Question 20 20. In Ohm's law, if the voltage is increased and resistance remains the same:

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Page 5

Question 21 21. Resistance is equal to:

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Question 22 22. When given the current and resistance, power can be calculated by:

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Question 23 23. Power is a measure of how much:

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Question 24 24. The unit of electrical power is the:

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Question 25 25. The total current through a parallel circuit:

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Page 6

Question 26 26. The voltage lost in each light bulb in a series circuit:

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Question 27 27. Adding a light bulb to a series circuit will:

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Question 28 28. Electrical energy is conducted through a material by:

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Question 29 29. An example of a good conductor is:

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Question 30 30. Conductivity is:

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Holt Physical Science Chapter 17: Introduction to 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 "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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