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Consider a air-filled parallel-plate capacitor with plates of length 8 cm, width 5.52 cm, spaced a distance 1.99 cm apart. Now imagine that a dielectric slab with dielectric constant 2.6 is inserted a length 4.4 cm into the capacitor. The slab has the same width as the plates. The capacitor is completely filled with dielectric material down to a length of 4.4 cm. A battery is connected to the plates so that they are at a constant potential 0.8 V while the dielectric is inserted.
Required:
What is the ratio of the new potential energy to the potential energy before the insertion of the dielectric?
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Consider a air-filled parallel-plate capacitor with plates of length 8 cm, width 5.52 cm, spaced a d...
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