A parallel plate capacitor has a separation of 2x10 m and free space between the plates. A 10 V battery is connected across the
plates and then removed without disturbing the charge on the plates. The plates are now allowed to come together toa separation of 10% m without disturbing the charge on the plates. Fringing fields can be ignored. A) What is the voltage across the plates? B) How has the energy stored in the capacitor changed?
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