Equal and opposite charges are placed at the two vertices of an equilateral triangle, giving a dipole moment \(p.\) A small dipole \(p'\) is placed at the third vertex, parallel to the previous dipole. If the electric fields due to both dipoles \(p,~p',\) at the mid-point of the dipole \(p,\) are equal, then \(\dfrac{p'}{p}\) equals:

1.	\(3\sqrt3\)	2.	\(\dfrac{3\sqrt3}{2}\)
3.	\(\sqrt3\)	4.	\(\dfrac{\sqrt3}{2}\)