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Unformatted text preview: o < ρ < a ) and carries a volume charge density ρ v where ρ v is : ρ v = α πa 2 [ C/m 3 ] (2) The outer cylinder at ρ = b is a thin shell which carries a surface charge density ρ S such that: ρ S =-α 2 πb [ C/m 2 ] (3) (a) Solve for ~ E every where. (b) Solve for V ( ~ r ) every where, if V ( b ) = 0. (c) Solve for energy in the “ l ” [ m ] length using: i. 1 2 R v ρ v V dv + 1 2 R S ρ S V dS ii. 1 2 R v ~ D · ~ Edv 2...
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- Spring '08
- Electrostatics, Electric charge, Fundamental physics concepts, charge density, concentric cylinders