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Three capacitors having capacitances of 8.5 μF, 8.1 μF, and 4.5 μF are connected in series...

Three capacitors having capacitances of 8.5 μF, 8.1 μF, and 4.5 μF are connected in series across a 31 V potential difference.

A. what is the charge on the 4.5 μF capacitor?
B. What is the total energy stored in all three capacitors?

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