Physics · Electrostatic Potential

Consider the following statements regarding the properties of potential due to an electric dipole: (A) The potential at any point on the axial line of a dipole depends on both \( p \) and \( r \). (B) The potential on the equatorial plane of a dipole is zero. (C) At large distances, dipole potential falls off as \( 1/r^2 \). (D) Dipole potential is symmetric about the equatorial plane. How many of the above statements are correct?

1. Only one
2. Only two
3. Only three
4. All four