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E E 339 - HW #5 - Homework#5 Due I(25 points Problem 5.9 of...

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Unformatted text preview: Homework #5, Due 11/8/2011 I. (25 points) Problem 5.9 of text. Assume complete ionization. II. (25 points) Problem 5.21 of text. III. (25 points) Problem 5.27 of text. Again assume complete ionization on both sides. IV. (25 points) Problems 5.35 of text. Note that e x e x sinh( x ) , 2 e x e x cosh( x ) 2 cosh( x ) e x e x & ctnh(x) sinh( x ) e x e x Also be careful of notation: Here xn is just x on the n-side and xn = 0 is the n-side edge of the depletion region (not xn = xn,o as in figures in the text). And pn is the equilibrium value of the minority hole concentration (what I have labeled pn-side,o in my notes). 1 ...
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