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The electric field in a region is given ...

The electric field in a region is given by `E=alphaxhati`. Here `alpha` is a constant of proper dimensions. Find
a. the total flux passing throug a cube bounded by the surface `x=l, x=2l, y=0, y=l, z=0, z=l`.
b. the charge contained inside in above cube.

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The correct Answer is:
`(a)sigmal^(3),(b)sigmaepsi_(0)l^(3)`
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