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.