Question: A 3 . 0 2 - nF parallel - plate capacitor is charged to an initial potential difference ( Delta V _ {

A 3.02-nF parallel-plate capacitor is charged to an initial potential difference \(\Delta V_{i}=100\mathrm{~V}\) and is then isolated. The dielectric material between the plates is porcelain, with a dielectric constant of 6.
(a) How much work is required to withdraw the porcelain sheet?
\(\mu \mathrm{J}\)
(b) What is the potential difference of the capacitor after the porcelain is withdrawn?
V
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A 3 . 0 2 - nF parallel - plate capacitor is

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