rps11 - R 1 , R 2 , and C 3 are known. +- v S ( t ) R 1 R 2...

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ECEN 2250 Circuits/Electronics 1 Fall 2007 11-07-07 P. Mathys Recitation Problem Set 11 (For Tue. 11-13-07 recitation session) 1) Problem 6-18 in the book. 2) The circuit below is a ac variation of the Wheatstone bridge. If one of the two resistors is adjustable and v S ( t ) is a suitable ac voltage (e.g., a sinusoid), it can be used to precisely measure the capacitance C 4 of an unknown capacitor, if
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Unformatted text preview: R 1 , R 2 , and C 3 are known. +- v S ( t ) R 1 R 2 C 3 C 4 +-v O ( t ) If v O ( t ) = 0 the bridge is said to be balanced. What is the condition for R 1 , R 2 , C 3 , and C 4 to make the bridge balanced? 3) Problem 6-35 in the book. 4) Problem 6-49 in the book. c 20012007, P. Mathys. Last revised: 11-08-07, PM. 1...
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