Question: Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 4.50). The empty capacitor is connected

Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 4.50). The empty capacitor is connected to a 12.0-V battery. What must be the potential difference across the plates of the capacitor filled with a dielectric so that it stores the same amount of electrical energy as the empty capacitor?

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