Apoint charge is on a gaussian cube in the middle of the top face - the top face goes through the point charge. through which face of the cube does the least flux traverse?
(a) each of the other 4 sides (adjecent to the side that the charge is on) are all equal and the least.
(b) the side opposite the charge, the bottom.
(c) the side that the charge is on, the top.
(d) all 6 sides have the same flux going through.

C)The side that the charge is on, the top.

Explanation:

As we know that

1)More flux is possible, when the field is perpendicular to the cross sectional area.

2)Electrical field lines are more power full in this side because the charge is near to the top side.

3)Those sides are electric field parallel to area that sides have minimum flux.

So

The side that the charge is on, the top ,have least flux traverse.

Option C is correct.

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