problem24_22

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

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24.22: a) 2 1 and C C are in parallel and so have the same potential across them: V 33 . 13 F 10 00 . 3 C 10 0 . 40 6 6 2 2 = × × = = - - C Q V Thus C. 10 0 . 80 ) F 10 00 . 3 ( V) 33 . 13 ( 6 6 1 1 - - × = × = = VC Q Since 3 Q is in series with the parallel combination of 2 1 and C C , its charge must be equal to their combined charge: C 10 0 . 120 C 10 0 . 80 C 10 0 . 40 6 6 6 - - - × = × + ×
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Unformatted text preview: b) The total capacitance is found from: F 10 00 . 5 1 F 10 00 . 9 1 1 1 1 6 6 3 || tot--× + × = + = C C C F 21 . 3 tot μ C = and V 4 . 37 F 10 21 . 3 C 10 . 120 6 6 tot tot = × × = =--C Q V ab...
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This document was uploaded on 04/20/2008.

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