hello everyone
explain electric field on axial line of an electric dipole.
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Answers
The direction of the electric field due to point charge +q at point P will be away from itself whereas, The direction of the electric field due to point charge -q at point P will be towards itself. ... The direction of electric field on the axial line is always same as the direction of dipole moment.
The NCERT formula is correct if used with vector notation as the direction of electric dipole moment is from -q(negative charge) to +q(positive charge) and the resultant electric field at any point on equatorial line is in direction opposite to the electric dipole moment so negative sign is used.
Axial line – A line joining the two charges and passing through the centre of dipole is called its axial line. Equatorial line- A line passing through the centre of the dipole and perpendicular to the axial line is called equatorial line.
It's 2kp/r3 on the axial and on the editorial point it is just kp/r3