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arod2812
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Homework Statement
An empty capacitor is connected to a 11.7-V battery and charged up. The capacitor is then disconnected from the battery, and a slab of dielectric material (κ = 3.1) is inserted between the plates. Find the magnitude of the amount by which the potential difference across the plates changes.
Homework Equations
if the charge is 11.7-V and k= 3.1, how is k used to find V?
The Attempt at a Solution
q = C*V