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Understanding Electricity & Magnetism 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. Which is NOT a characteristic of eco-friendly technology?

Question 2 2. Which is NOT an example of a type of renewable energy source?

Question 3 3. Electrical resistance is caused by:

Question 4 4. Resistivity is:

Question 5 5. Conductivity is:

Page 2

Question 6 6. Materials that make good electrical conductors contain atoms with:

Question 7 7. If a permanent magnet is sitting next to a conductor _____.

Question 8 8. All of the following will affect an induced voltage, except _____.

Question 9 9. What unit is potential difference measured in?

Question 10 10. What is current measured in?

Page 3

Question 11 11. An object becomes electrically charged when:

Question 12 12. What particles in an atom have an electric charge?

Question 13 13. 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 14 14. A 5 coulomb charge has 5,000 joules of electric potential energy due to its position in an electric field. What is the electric potential at that point in the field?

Question 15 15. Current is equal to:

Page 4

Question 16 16. Voltage is equal to:

Question 17 17. A material is ferromagnetic if:

Question 18 18. The direction of a magnetic field is:

Question 19 19. You rub a balloon on your hair. The balloon becomes negatively charged; therefore, your hair:

Question 20 20. Which of the following will likely be positive if rubbed with fur?

Page 5

Question 21 21. Which of the following is a correct definition of a resonant RLC circuit?

Question 22 22. An resonant RLC series circuit contains an inductor of inductance 1 Henry, powered by an AC power supply that switches at a frequency of 60 Hz. If the current in the circuit is 1 amp, what is the voltage across the inductor?

Question 23 23. If a 12 volt battery is connected to three bulbs in SERIES, what is the voltage across each bulb? What about if they were connected in parallel?

Question 24 24. What is an electric circuit?

Question 25 25. A magnetic field exerts a force on a charged particle:

Page 6

Question 26 26. The strength of the force on the particle is dependent on all of the following, except:

Question 27 27. What is the main difference between parallel and series circuits?

Question 28 28. Which is true about current in a parallel circuit?

Question 29 29. All magnets are:

Question 30 30. Objects that don't naturally act like magnets can be attracted to a permanent magnet because:

Understanding Electricity & Magnetism 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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