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Two capacitors A and B with capacities 3...

Two capacitors A and B with capacities `3 muF` and `2 muF` are charged to a potential differece of `100 V` and `180 V`, respectively. The plates ot the capacitors are connected as shown in, with one wire free from each capacitor. The upper plate of A is positive and that of B is negative An uncharged `2muF` capacitor C with lead wires falls on the free ends to complete the circuit.
i. Calculate the final charge on the three capacitors,
ii. Find the amount of electrostatic energy stored in the system before and after the completion of the circuit.
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