problem24_55

University Physics with Modern Physics with Mastering Physics (11th Edition)

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Unformatted text preview: 24.55: a)d << ra : C = 20 L 20 L 2 0 L 2ra L0 0 A = = = . ln(rb ra ) ln((d + ra ) ra ) ln(1 + d ra ) d d b)At the scale of part (a) the cylinders appear to be flat, and so the capacitance should appear like that of flat plates. ...
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