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A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has a radius of = 12.1 , and the outer sphere has a radius of = 15.0 . A potential difference of 120 is applied to the capacitor. Part A What is the capacitance of the capacitor? Use = 8.85×10?12 for the permittivity of free space. Part B What is the magnitude of the electric field at radius 12.6 , just outside the inner sphere? Part C What is the magnitude of at 14.7 , just inside the outer sphere?

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