(Answered) A spherical capacitor is formed from two concentric

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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 ra = 12.1 cm and the outer sphere has a radius of r_b = 15.0 cm. A potential difference of 120 V is applied to the capacitor.

What is the magnitude of E^→ at r = 14.7 cm, just inside the outer sphere?

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