Chapter 23 Solutions

Chapter 23 Solutions - wright(daw2557 Chapter 23 de(14443...

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wright (daw2557) – Chapter 23 – de – (14443) 1 This print-out should have 6 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points A charge oF 11 . 9 μ C is at the geometric center oF a cube. What is the electric ±ux through one oF the Faces? Correct answer: 2 . 23999 × 10 5 N · m 2 / C. Explanation: Let : q = 11 . 9 μ C = 1 . 19 × 10 - 5 C . By Gauss’ law, Φ = c v E · d v A = q ǫ 0 The total ±ux through the cube is given by Φ tot = q ǫ 0 = 1 . 19 × 10 - 5 C 8 . 85419 × 10 - 12 C 2 / N · m 2 = 1 . 344 × 10 6 N · m 2 / C . The ±ux through one side oF the cube is then Φ = 1 6 Φ tot = 2 . 23999 × 10 5 N · m 2 / C . 002 10.0 points Consider an infnitely long line oF charge hav- ing uniForm charge per unit length 1 . 2 μ C / m. Determine the total electric ±ux through a closed right circular cylinder oF length 2 . 7 m and radius 75 m that is parallel to the line charge, iF the distance between the axis oF the cylinder and the line oF charge is 4 . 8 m.
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Chapter 23 Solutions - wright(daw2557 Chapter 23 de(14443...

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