A parallel-plate capacitor has capacitance 350 microf1 how, Ask an Expert

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A parallel-plate capacitor has capacitance 3.50 µF.

1. How much energy is stored in the capacitor if it is connected to a 9.00 V battery?

______µJ

2. If the battery is disconnected and the distance among the charged plates doubled, what is the energy stored?

_____µJ

3. The battery is subsequently reattached to the capacitor; however the plate separation remains as in part (b). How much energy is stored?

_____µJ

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