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A point charge Q is placed at one corner...

A point charge Q is placed at one corner of a cube. Find flux passing through a cube.

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In this case by placing three cubes at three sides of given cube and four cubes above, the charge will be in the centre.
So, the fulx linked with each cube will be one-eight of the flux `q/epsilon_(0)`.
`:.` Flux associated with given cube`=q/(8 epsilon_(0))`
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