8 GaussProblemSolving

8 GaussProblemSolving - Craig Ogilvie Review lecture 7...

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Unformatted text preview: Craig Ogilvie Review lecture 7 Craig Ogilvie 11 Gained more experience with Gauss law to calculate E-field Electrostatic potential V(x,y,z) Conducting spherical shell Parallel plates Craig Ogilvie Worked Problem I Insulator slab of thickness 2d, from x=-d to x=+d infinitely large in area ( much larger than d) charge distributed uniformly throughout volume volume charge density =Q/volume What is the E-field for 0 < x < d ? Develop a plan for solving this first by yourself Discuss with neighbor Craig Ogilvie 22 Craig Ogilvie Worked Problem I Side-view shown Craig Ogilvie 33 d d Decide on symmetry => translation up/down page Draw Gaussian surface Box from x=0 to distance x Keep x below the surface, Encloses charge In your group calc E(x), at outer surface of red gaussian surface Craig Ogilvie Worked Problem I Craig Ogilvie 44 d d = enclosed q A d E + + = = end x sides end x A d E A d E A d E A d E = = = end x end x EA dA E EdA A d E Ax Vol q enclosed = = x E Ax EA = = Graph this!...
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8 GaussProblemSolving - Craig Ogilvie Review lecture 7...

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