final-2008 - PHYS 102 General Physics II Final Exam, May...

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PHYS 102 – General Physics II Final Exam, May 29, 2008 Duration: 130 minutes I pledge, on my Honor, not to lie, cheat, or steal in either my academic or personal life. I understand that such acts violate the Honor Code and undermine the community of trust of which we are all stewards. Signature: Name: Section: Q.1 (25) Q.2 (25) Q.3 (25) Q.4 (25) Total (100) Note: Solutions will be available after the exam at http://www.fen.bilkent.edu.tr/~phys102
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( r ) r R Q.1 (25 points) Electrostatics An infinitely-long nonconducting cylinder of radius R carries a nonuniform volume charge density 0 0 ( ) , where r r R ! = is a known constant and r is the cylindrical radial distance from its axis (see the figure). a) Using Gauss’ law determine the electric field vector everywhere (i.e., r<R and r>R ), b) Determine the corresponding electric potential everywhere, choosing V ( a )=0, i.e., potential reference chosen at r=a where a>R c) Can you choose infinity as potential reference? Give your reasoning.
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This note was uploaded on 02/01/2010 for the course PHYS PHYS-102 taught by Professor Atillaaydınlı during the Fall '09 term at Bilkent University.

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final-2008 - PHYS 102 General Physics II Final Exam, May...

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