(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Question states "Total electric flux from a cubical box 0.28m on a side is 1.84x10^3 Nm^2/C. What is the charge enclosed by the box

2. Relevant equations

Gauss's Law

[tex]

\begin{array}{l}

\phi _E = \vec E \bullet \vec A \\

\oint {\vec E \bullet d\vec A = \frac{{Q_{enclosed} }}{{\varepsilon _0 }}} \\

[/tex]

3. The attempt at a solution

[tex]

\begin{array}{l}

Q_{enclosed} = (4\pi r^2 )\varepsilon _0 \phi _E \\

\varepsilon _0 = 8.85 \times 10^{ - 12} \\

\phi _E = 1.84 \times 10^3 \\

r = 1.2 \times 0.28 = 0.14 \\

Q_{enclosed} = 4.01 \times 10^{ - 9} Nm^2 /C \\

\end{array}

[/tex]

But the answer is given as 1.63*10^-8 Nm^2/C

What I have I done wrong here?

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# Homework Help: Charge enclosed Guassian surface

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