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Unformatted text preview: wright (daw2557) Chapter 23 de (14443) 1 This printout should have 6 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 10.0 points A charge of 11 . 9 C is at the geometric center of a cube. What is the electric flux through one of the faces? Correct answer: 2 . 23999 10 5 N m 2 / C. Explanation: Let : q = 11 . 9 C = 1 . 19 10 5 C . By Gauss law, = contintegraldisplay vector E d vector A = q The total flux through the cube is given by tot = q = 1 . 19 10 5 C 8 . 85419 10 12 C 2 / N m 2 = 1 . 344 10 6 N m 2 / C . The flux through one side of the cube is then = 1 6 tot = 2 . 23999 10 5 N m 2 / C . 002 10.0 points Consider an infinitely long line of charge hav ing uniform charge per unit length 1 . 2 C / m. Determine the total electric flux through a closed right circular cylinder of length 2 . 7 m and radius 75 m that is parallel to the line...
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 Spring '09
 SURESHSHARMA
 Physics, Charge

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