The electric field due to a small electric dipole at a distance ‘r’ from the centre of dipole on axial line is ‘E’. Find the distance on the equatorial line to have sane electric field ‘E.
Answers
Answered by
0
When a dipole AB of very small length is taken, then for a point P located at an axial distance r from the axis the electric field is given by
E=
4πε
0
1
r
3
2P
...(i)
When dipole is rotated by 90
o
, then electric field is given by
E
′
=
4πε
0
1
r
3
P
...(ii)
From Eqs. (i) and (ii), we get
E
′
=
2
E
Similar questions