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1) Two capacitors of respective capacity C1 = 2 µF and C2 = 6 µF are...

1) Two capacitors of respective capacity C1 = 2 µF and C2 = 6 µF are connected in parallel with a 60 V battery. We remove the battery and connect the two armatures leaving polarity charges opposite. Find the charge and the final potential difference for each capacitor.

2) An isolated conductive sphere with a capacity of 4.2 pF and a potential of 1000V. a) What is the diameter of the sphere? b) What is its surface charge density?

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