problem24_35

University Physics with Modern Physics with Mastering Physics (11th Edition)

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Unformatted text preview: 24.35: a)  u = 1 ε kq ε kVC ε k 2 (120 V) 2 (8.94 × 10−11 F) 2 ε0 E 2 = 0 2 = 0 2 = 0 2 2r 2 r 2 (0.126 m) 4 2 2 ⇒ u = 1.64 × 10−4 J m 3 . b) The same calculation for r = 14.7 cm ⇒ u = 8.83 × 10 −5 J m 3 . c) No, the electric energy density is NOT constant within the spheres. ...
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This document was uploaded on 04/20/2008.

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