Answer: A parallel-plate capacitor with plate area 2.0 cm2
Chapter , Problem 88(choose chapter or problem)
A parallel-plate capacitor with plate area 2.0 cm2 and airgapseparation 0.50 mm is connected to a 12-V battery, andfully charged. The battery is then disconnected, (a) What isthe charge on the capacitor? (b) The plates are now pulledto a separation of 0.75 mm. What is the charge on the capacitornow? (c) What is the potential difference across theplates now? (d) How much work was required to pull theplates to their new separation?
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