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When an air capacitor with a capacitance of 350 nF (1 nF = 10-9F) is connected to a power supply, the energy stored in the capacitor is 2.00×10-5J . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills the space between the plates. This increases the stored energy by 2.62×10-5J .

A) What is the potential difference between the capacitor plates?

B) What is the dielectric constant of the slab?

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