Three charges `2q, -q, and -q` are located at the vertices of an equilateral triangle. At the center of the triangle,

Three charges 2q,-q,-q are located at the vertices of an equilateral triangle.At the centre of the triangle (A) The field is zero but potential is non-zero (B) The field is non-zero but potential is zero (C) Both field and potential are zero (D) Both field and potential are non-zero

Three charges +q,+q and -q are located at the corners of an equilaterial triangle of side a. Calculate potential energy of the system.

Three point charges q, 2q and 3q are placed at the vertices of an equilateral triangle of side ‘a’. Find the electric potential and intensities at the geometric centre of the triangle.

Three point charges +q, +2q and Q are placed at the three vertices of an equilateral triangle. Find the value of charge Q (in terms of q), so that electric potential energy of the system is zero.

Three charges Q, (+q) and (+q) are placed at the vertices of an equilateral triangle of side l as shown in the figure. It the net electrostatic energy of the system is zero, then Q is equal to