Practice Final Exam 133 / Dr. Abramzon Name Instructions: •Closed book – you may use ONE 8”X11” card with formulas •Read each problem carefully. •There are 5 problems, worth a total of 42 points. There is one bonus problem worth an additional 3 points. •It is critical that you show all of your work - don't just write down your answers •Please turn in your formula sheet at the end of the exam Good luck! Problem 1 ___________ Problem 2 ___________ Problem 3 ___________ Problem 4 ___________ Problem 5 ___________ Bonus Problem ( 3 points) ___________ Total :
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1) (10 points) Consider a closed surface and an electric dipole. For the following three situations, is the electric flux through the closed surface positive, negative, or zero? Explain your reasoning. (a) ( 3 points) The dipole is entirely inside the closed surface. Explain. (b) ( 3 points) The negatively charged end of the dipole is inside the closed surface. Explain. (c) ( 2 points) The dipole is outside. Explain.