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Q2. A capacitor of 200 µF is charged from a 120V d.c. supply via a 100 kΩ resistor for 10 secs. It is now disconnected from the supply and a second capacitor of 150 µF is charged from the same supply via the same resistor for 15 secs. The two charged capacitors are now connected in parallel.

Calculate EACH of the following:

(a) The potential to which each of the capacitors has been charged;

(b) The energy stored in each capacitor at the end of the charging period;

(c) The final potential across the parallel combination of two capacitors.