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Write the expression for the electric fi...

Write the expression for the electric field at any point due to a short electric dipole. Give the meaning of the symbols used.

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`E=(1/(4 pi epsilon_(0)))(p/(d^(3)))(sqrt(3)cos^(2) theta+1)Vm^(-1)`, where p- electric dipole moment, d-distance.
`theta`- angle betwee the dipole axis and line joining the point and the centre.
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