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Physics
For a given surface the Gauss's law is stated as oint vecE ⋅ d vecA=0. From this we can conclude that
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Q. For a given surface the Gauss's law is stated as $\oint \vec{E} \cdot d \vec{A}=0$. From this we can conclude that
Electric Charges and Fields
A
E is necessarily zero on the surface
12%
B
$E$ is perpendicular to the surface at every point
52%
C
the total flux through the surface is zero
36%
D
the flux is only going out of the surface
0%
Solution:
$\oint \vec{E} \cdot d \vec{A}=0$, represents charge inside close surface is zero. Electric field as any point on the surface may be zero.