1ECE604 Homework 4 Out: Tuesday, February 3, 2004 (Session 7) Due: Tuesday, February 10, 2004 (Session 9) [Students with tape delays: due according to session number] Problems numbers are from the text by Ramo, Whinnery and Van Duzer (3rdedition, 1994). 1)7.12h Give an expression for the added capacitance per unit length AND evaluate numerically. Hints: a) Use a superposition solution 12Φ = Φ + Φ, where 1oV y / aΦ =is the solution for the parallel plate capacitor without the extra conducting strip. b) In solving for 2Φ, solve separately for x0≥and x0≤. Once you have the solution for x0≥, the solution for x0≤follows almost by inspection. c) Use your solution for 2Φin computing the added capacitance. 2)2.5 3)2.6b 4)2.9c 5)2.9d 6)2.12c 7)A solid dielectric cylinder of radius a and length 2L is uniformly polarized with polarization P, where Pis directed axially (i.e. ˆpz=P; where p = const.). Determine the electric field,
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