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Solve the all parts of given problem:
Problem: A 2.30-nF parallel-plate capacitor is charged to an initial potential difference is 100 V and is then isolated. The dielectric material between the plates is mica, with a dielectric constant of 5.
Part A: How much work is required to withdraw the mica sheet?
________________ µJ
Part B: What is the potential difference of the capacitor after the mica is withdrawn?
________________ V
Please explain each step and equations used for above problem.
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