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A 10 microF parellel-plate capacitor with circular plates is connected to a 12.0V battery.

a) What is the charge on each plate?

b) How much charge would be on the plates if their seperation were doubled while the capacitor remained connected to the battery?

c) How much charge would be on the plates if the capoacitor were connected the 12.0 V battery after radius of each plate was doubled without changing their seperation?

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