Teaching HTET PGT Level 3 - 2024 Mock Test Physics Electric Fields and Gauss' Law The Electric Field Due to an Electric Dipole
The magnitude of the electric field of a dipole at a point on the axis is _____________, where 'p' is the dipole moment, 'r' is the distance of the point from the center of the dipole, and where '2a' is the distance between the two charges.
1
\(\;\frac{q}{{\;π {ϵ_0}}}\frac{{\;a\;}}{{{{\left( {{r^2} - {a^2}} \right)}^2}}}\)
2
\(\;\frac{q}{{\;π {ϵ_0}}}\frac{{\;a\;r}}{{{{\left( {{r^2} - {a^2}} \right)}^2}}}\)
3
\(\;\frac{q}{{\;π {ϵ_0}}}\frac{{\;a\;r}}{{{{\left( {{r^2} - {a^2}} \right)}^{3/2}}}}\)
4
\(\;\frac{q}{{\;π {ϵ_0}}}\frac{{\;a\;}}{{{{\left( {{r^2} - {a^2}} \right)}^{3/2}}}}\)