P26_009 - πab is nearly the surface area of either sphere...

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9. According to Eq. 26-17 the capacitance of a spherical capacitor is given by C =4 πε 0 ab b a , where a and b are the radii of the spheres. If a and b are nearly the same then 4
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Unformatted text preview: πab is nearly the surface area of either sphere. Replace 4 πab with A and b − a with d to obtain C ≈ ε A d ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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