A parallel-plate capacitor has capacitance 050microfa how, Ask an Expert

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A parallel-plate capacitor has capacitance 0.50µF.

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

(b) If the battery is disconnected and the distance between the charged plates doubled, what is the energy stored?

(c) The battery is subsequently reattached to the capacitor, but the plate separation remains as in part (b). How much energy is stored?

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