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### capa 9

Course: PHYS 1120, Fall 2007
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Word Count: 2464

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1120, Phys CAPA #9 solutions 1) The trick here is (as the problem hint suggested) to think of this as a stack of little pancakes, each of thickness &quot;dx&quot;. (See the picture) They are all in a row, in series, so the total resistance is the sum of the little resistances, R = Integral(dR). So what is the resistance &quot;dR&quot; of a little pancake? Well, a pancake is simply like a tiny...

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