# MT2rev1_f04 - Page 1 of 3 Welcome to the Midterm II Review Problems Sat 2-4pm LeConte I There is no better way to spend your Saturday afternoon GSI

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Page 1 of 3 Welcome to the Midterm II Review Problems Sat 2-4pm - LeConte I There is no better way to spend your Saturday afternoon GSI: Eric Corsini Comments – errata: [email protected] Tentative list – Selected problems from this list will be chosen for the review. More figures, errata, and comments will be added later – please check again. I - Warm up problem – Flux 1 - A point charge -Q is located at the center of a cube of side L. What is the flux passing though each face of the cube? 2 - The charge -Q is then moved to one of the corners of the cube. What is the flux passing though each face of the cube? 3 - The charge -Q is further moved as shown to a position one diagonal length away from the same corner. What is the net flux passing through the entire cube? II - Capacitor and dielectric. A square parallel plate capacitor - of size L 2 - with plate separation d , - and charge Q, stands vertically halfway submerged in a non conducting dielectric fluid of dielectric constant K and of density Rho 0 . What happens to the dielectric fluid level between the plates.: - does it stay the same? - does it go up or down? If so what is the height h of the fluid between the plates? You may leave your answer in the form of an equation in h and in terms of the known constants: Q, K, d, L, Rho 0 . Challenge

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## This note was uploaded on 02/04/2010 for the course PHYSICS 7B taught by Professor Packard during the Spring '08 term at University of California, Berkeley.

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MT2rev1_f04 - Page 1 of 3 Welcome to the Midterm II Review Problems Sat 2-4pm LeConte I There is no better way to spend your Saturday afternoon GSI

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