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# In electrostatics E=-dV/dR where E=electric field and V=electric potential. Then how can there be E on equtorial axis of an electric dipole where V is zero?

Ashish Gupta IIT Roorkee
6 years ago

Hence, 

On equatorial axis of an electric dipole, electric field in the direction of radius vector i.e. Er = 0 as you can verify that V is 0 on equatorial axis and hence .
Electric field is there but it is actually perpendicular to radius vector.
Rishi Sharma
10 months ago
Dear Student,

Hence,

On equatorial axis of an electric dipole, electric field in the direction of radius vector i.e. Er = 0 as you can verify that V is 0 on equatorial axis and hence [dV/dr = 0] . Electric field is there but it is actually perpendicular to radius vector.

Thanks and Regards