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Unformatted text preview: ECE604 Homework 5
Out: Tuesday, February 10, 2004 (Session 9)
Due: Tuesday, February 17, 2004 (Session 11)
[Students with tape delays: due according to session number] Notes: 1) Midterm #1 will be given on Thursday, Feb. 19, 2004 (Session 12). It will include
electrostatics and magnetostatics (chapters 1 and 2, as well as sections of chapter 7 covered in class).
2) Homework #6 will be given on Tuesday, Feb. 24. Problem numbers are from the text by Ramo, Whinnery and Van Duzer (3rd edition, 1994). 1) 2.12b
5) 3.5a 6) A material with permeability u is uniform except for a spherical cavity of radius a (with
permeability Mo). A magnetic field is applied that is uniform (B 2 B02) far away from the spherical cavity. Solve for the B field inside the spherical cavity. B=Boz 7) A perfectly conducting segmented cylindrical electrode pair of radius a has an infinite extent in the z direction. The electrodes are sitting in free space (8 = 80). Voltages V0
and ~Vo are applied to the electrodes (as shown in figure). V0
electrodes a) Give a series solution for the electrostatic potential, both for r < a and r > a. b) Give an expression for the capacitance of this structure per unit length (series form
is ok). ...
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- Fall '08