Alls separated cm A spherical capacitor is formed from two conc by a vacuum. The inner sphere has radius 12.5 cm and the outer sphere has radius 14.8 c A potential difference of 120 V is applied to the capacitor. (a) What is the energy density at inside the outer sphere? (c) For the parallel-plate capacitor the energy density is uniform in r=12.6cm, just outside the inner sphere? (b) What is the energy density at r-14.7cm, just ( the region between the plates, except near the edges of the plates. Is this also true for the spherical capacitor? (a) 1. 64x 10-4J/m³; (b) 8. 83x 10-5J/m³; (c)no InV R

Alls separated cm A spherical capacitor is formed from two conc by a vacuum. The inner sphere has radius 12.5 cm and the outer sphere has radius 14.8 c A potential difference of 120 V is applied to the capacitor. (a) What is the energy density at inside the outer sphere? (c) For the parallel-plate capacitor the energy density is uniform in r=12.6cm, just outside the inner sphere? (b) What is the energy density at r-14.7cm, just ( the region between the plates, except near the edges of the plates. Is this also true for the spherical capacitor? (a) 1. 64x 10-4J/m³; (b) 8. 83x 10-5J/m³; (c)no InV R

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter8: Capacitance

Section: Chapter Questions

Problem 80CP: A spherical capacitor is formed from two concentric spherical conducting shells separated by a...

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A spherical capacitor is formed from two concentric spherical conducting spheres separated by vacuum. Tire inner sphere has radius 12.5 cm and the outer sphere has radius 14.8 cm. A potential difference of 120 V is applied to the capacitor, (a) What is the capacitance of the capacitor? tb) What is the magnitude of the electrical field at r = 12.6 cm, just outside the inner sphere? (c) What is the magnitude of the electrical field at r = 14.7 cm, just inside the outer sphere? (d) For a parallel-plate capacitor the electrical field is uniform in the region between the plates, except near the edges of the plates. Is this also true for a spherical capacitor?
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