The gaussian "unit cube" shown lies in a region where the electric field is constant and parallel to the $$\(z\)$$-axis: $$\(\mathrm{E}=E \hat{k}\)$$. Which of the following choices lists the outward flux through sides 1 through 6 , respectively?
A.
\(0,0,-E, 0,+E, 0\)
B.
\(0,0,+E, 0,-E, 0\)
C.
\(0,0,+E, 0,+E, 0\)
D.
\(0,0,-E, 0,-E, 0\)
E.
none of the above
Exam No：AP Physics C(EM) Practice Test Year：2024 Question No：28
Answer:
B
Knowledge points:
1.4 Electrostatics: Gauss’s Law
Solution:
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