*53. Review Conceptual Example 10 before attempting this difficulty. An empty capacitor is associated to a 12.0-V battery and also charged up. The capacitor is then dislinked from the battery, and also a slab of dielectric product (k = 2.8) is put between the plates. Find the amount whereby the potential distinction across the plates changes. Specify whether the adjust is a boost or a decrease.

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If a dielectrical is added to a capacitor the capacitance alters by

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So we can take into consideration

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And

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Now with battery disassociated, tright here is no resource of charge so

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Solve for Vdielectric

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- sign tells us it is a decrease!




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, a decrease in voltage across capacitor


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