Question: A 1 . 6 0 - nF parallel - plate capacitor is charged to an initial potential difference Vi = 1 0 0 V and

A 1.60-nF parallel-plate capacitor is charged to an initial potential difference Vi =100 V and is then isolated. The dielectric material between the plates is paper, with a dielectric constant of 3.7.
(a) How much work is required to withdraw the paper sheet?
J
(b) What is the potential difference of the capacitor after the paper is withdrawn?
V

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