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A point electric dipole with a moment p ...

A point electric dipole with a moment `p` is placed in the external uniform electric field whose strength equals `E_(0)`. With `p uarr uarr E_(0)`. In this case one of the equipotential surfaces enclosing the dipole from a sphere. Find the radius of this sphere.

Text Solution

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The correct Answer is:
`r = sqrt((p)/(4 pi epsi_(0)E_(0)))`
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