23. (a) In this situation, capacitors 1 and 3 are in series, which means their charges are necessarily the same: ()()131.00 F3.00 F12.0V9.00 C.1.00 F+3.00 FCCVqqCCµµµ====+(b) Capacitors 2 and 4 are also in series: ()242.00 F4.00 F12.0V16.0 C.2.00 F 4.00 F==++(c) 319.00 C.(d) 4216.0 C.(e) With switch 2 also closed, the potential difference V1across C1must equal the potential difference across C2and is ()34112343.00 F 4.00 F 12.0V8.40V.1.00 F 2.00 F 3.00 F 4.00 F
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