Problem 1. When a 360 nF air capacitor is connected to a power supply, the energy stored in the  capacitor is 1.85x10-5 J. 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  2.32x10-5 J. (1nF = 10-9 F). (a) What is the potential difference between the capacitor plates?  (b) What is the dielectric constant of the slab?

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Problem 1. When a 360 nF air capacitor is connected to a power supply, the energy stored in the 
capacitor is 1.85x10-5
J. 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 
2.32x10-5
J. (1nF = 10-9 F).
(a) What is the potential difference between the capacitor plates? 
(b) What is the dielectric constant of the slab?

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