Physics 1215 Reading Questions
Assignment #9

Chapter 20.10 - 20.13

Reading Questions should be submitted electronically using this form. They are due by 8:00 a.m. on Wednesday, April 2, 2008.
Any Reading Questions arriving late will receive no credit.
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Answer the Reading Questions below. Please answer each question.

1. How does the shape of a magnetic field created from a single loop of wire compare to that created by a bar magnetc?

2. How would you make a uniform magnetic field?

3. Why are magnetic field lines always closed loops, but electric field lines are not necessarily closed loops?

4. In Ampere's law, what is meant by the enclosed current?

5. What is the approximate magnitude of the magnetic field outside of a toroid?

6. Why did Maxwell introduce the idea of a "displacement current."

7. Will there always be a magnetic field between the plates of a charged parallel plate capacitor? Explain.

8. What are the three classifications of magnetic materials, and what is the major property of each of the three kinds?

9. What magnetic pole is currently located near the geographic north pole of the earth?

10. What is the reason for a magnetic delination of a compass?

Final Question: (This question must be answered to receive any credit). What is one thing from the chapter that you didn't understand or need clarified?

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