A spherical capacitor has inner radius 10.0 mm and outer radius 15.0 mm. At ? = 11.0 mm, it has an electric energy density of 8.0 × 1012?0. What is the magnitude of the electric field at ? ? a. 1.80 × 1024 V/m b. 1.34 × 1012 V/m c. 4.00 × 106 V/m d. 2.00 × 106 V/m

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Chapter27: Capacitors And Batteries
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A spherical capacitor has inner radius 10.0 mm and outer radius 15.0 mm. At ? = 11.0 mm, it has an electric energy density of 8.0 × 1012?0. What is the magnitude of the electric field at ? ?
a. 1.80 × 1024 V/m

b. 1.34 × 1012 V/m

c. 4.00 × 106 V/m

d. 2.00 × 106 V/m

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