test2spring2007 - 1 PHY 207 – SPRING 2007 Prof....

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Unformatted text preview: 1 PHY 207 – SPRING 2007 Prof. Massimiliano Galeazzi Midterm #2 March 7, 2007 Problem #1 NAME: ________________ SIGNATURE: ________________ Problem #2 UM ID: ________________ Problem #3 __________ T o t a l ___________________________________________________________________________________ Some useful relations: r r q E o ) r 2 4 1 πε = , ∑ = i i i o r r q E ) r 2 4 1 πε , ∫ = r r dq E o ) r 2 4 1 πε , E q F o v r = Dipole: E p r r r × = τ , E p U r r ⋅ − = Gauss Law: ∫ ⋅ = A d E E r v φ = o encl Q ε r q V o πε 4 1 = , ∑ = i i o r q V πε 4 1 , ∫ = r dq V o πε 4 1 , k z V j y V i x V V E ˆ ˆ ˆ ∂ ∂ − ∂ ∂ − ∂ ∂ − = ∇ − = r r , V q U ∆ = ∆ , ∫ ⋅ = b a ab l d E V r r dV dA dl dq r A rL A dr r dV r V r A cir cyl sph sph sph ρ σ λ π π π π π = = = = = = = = 2 2 3 3 4 2 , 2 4 , , 4 Capacitors: V Q C = ; parallel plates: d A C ε = Capacitors in parallel: ......
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This note was uploaded on 04/26/2008 for the course PHY 207 taught by Professor Lab during the Spring '08 term at University of Miami.

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test2spring2007 - 1 PHY 207 – SPRING 2007 Prof....

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