mt - Physics 501-Fall 2011 Midterm Name Instructions This...

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Physics 501—Fall 2011 Midterm Name: Instructions: This is an in-class closed book exam. You will fnd a set oF potentially useFul Formulas at the back oF the exam. There are three problems, whose weights are indicated. Partial credit will be given provided your work is shown and can be understood. Undergrads: Be sure to write and sign the pledge in the exam booklet: “I pledge my honor that I have not violated the Honor Code during this examination.” 1
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c a ± b 1) (30 pts) The gap between two concentric con- ducting spherical shells having radius a and c is par- tially flled by a concentric spherical shell dielectric oF inner radius b and outer radius c . The dielectric constant oF the material between b and c is κ . The region between a and b is vacuum. A charge q resides on the surFace oF the inner conducting sphere. a) ±ind the electric feld ± E ( ± r ) in the region a<r<b . b) ±ind the electric feld ± E ( ± r ) and the polarization ± P ( ± r ) in the region b<r<c .
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This note was uploaded on 02/04/2012 for the course PHY 501 at Princeton.

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mt - Physics 501-Fall 2011 Midterm Name Instructions This...

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