ENGRI111_HW4_2004 - ENGRI 111 Homework#4 Due Monday October...

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ENGRI 111 Homework #4 Due Monday, October 4, 2004 1. Write concise answers for the following questions regarding magnetic moments: a. What are the two sources of magnetic moments for electrons? Why? b. Do all electrons have a net magnetic moment? Why or why not? c. Do all atoms have a net magnetic moment? Why or why not? 2. Briefly explain why ferromagnetic behavior ceases above the Curie temperature. 3. Sketch a standard generic plot of the magnetization, M, versus magnetic field, H, for a ferromagnetic material. Explain the overall shape of the plot and the
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