A hollow metal sphere has inner radius a, outer radius b, and conductivity . The current I
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A hollow metal sphere has inner radius a, outer radius b, and conductivity σ. The current I is radially outward from the inner surface to the outer surface.
a. Find an expression for the electric field strength inside the metal as a function of the radius r from the center.
b. Evaluate the electric field strength at the inner and outer surfaces of a copper sphere if a = 1.0 cm, b = 2.5 cm, and I = 25 A.
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Related Book For
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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