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If a point charge q is placed at one cor...

If a point charge q is placed at one corner of a cube, what is the flux linked with the 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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