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Home Q & A Board Science-Related Homework Help Physics
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smnam smnam
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11 years ago
A parallel-plate capacitor initially has Mylar between its plates and carries charge ±Q. A different dielectric is then inserted between the plates without changing the charge. If the energy stored in the capacitor decreases to 33% of its initial value, what is the value of ? for the dielectric?
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#1
11 years ago
The dielectric constant for Mylar is 3.2 so the new dielectric is 33% of that. C=kA/d
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