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May 5, 2015

Homework Help: Physics

Posted by Liz on Sunday, February 3, 2013 at 6:38pm.

A parallel-plate capacitor is charged by a battery and then the battery is removed and a dielectric of constant K is used to fill the gap between the plates. Inserting the dielectric changes the energy stored by a factor of
A)2.
B)1/K.
C)1 (no change).
D)K.
E)K-1.

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