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Unformatted text preview: 1 370 C, V2 43 V Q5 65 V 550 C, V5 EVALUATE:
4.60. Solution 43 V Q4 180 C, V4 65 V 87 V Q3 180 C, V3 Solu<on V3 V4 V2 and V1 V2 V5 220 V (apart from some small rounding error) Q1 Q2 Q3 and Q5 Q2 Q4
IDENTIFY: Apply the rules for combining capacitors in series and in parallel.
SET UP: With the switch open each pair of 3.00 F and 6.00 F capacitors are in series with each other and each
pair is in parallel with the other pair. When the switch is closed each pair of 3.00 F and 6.00 F capacitors are in
parallel with each other and the two pairs are in series.
EXECUTE: Qtotal CeqV 1 (a) With the switch open Ceq 3F 1 6F 1 1 3F 1 1 6F 4.00 F . (4.00 F) (210 V) 8.40 10 4 C . By symmetry, each capacitor carries 4.20 10 voltages are then calculated via V Q / C . This gives Vad Q / C3 140 V and Vac Q / C6 4 C. The 70 V . Vcd Vad Vac 70...
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This document was uploaded on 02/13/2014.
 Winter '13

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