If the magnitude of intensity of electric field at a distance \[x\] on axial line and at a distance \[y\] on equatorial line on a given dipole are equal, then \[x:y\] is [EAMCET 1994]

• A.                    \[1:1\]
• B.                                      \[1:\sqrt{2}\]
• C.                    \[1:2\]
• D.                                      \[\sqrt[3]{2}:1\]