Three Charges 2q, -q and -q lie at vertices of a triangle. The value of E and V at centroid of triangle will be-

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 placed at the vertices of a right angle triangle (isoscles triangle) as shown. The net electrostatic energy of the configuration is zero, if Q is equal to :

Three charge +q, -q , and +2q are placed at the vertices of a right angled triangle (isosceles triangle)as shown. The net electrostatic energy of the configuration is:

Three charges Q, +q and +q are placed at the vertices of a right-angle isosceles triangle as shown in Fig. The net electrostatic energy of the configuration is zero if Q is equal to :-

Three charges +q, +q and -2q are placed at the vertices of an equilareral triagle. What is the dipole moment of the system?

Three charges Q+q and + q are placed at the vertices of a right -angle isosceles triangle as shown below. The net eletrostatic energy of the configuration is zero if the value of Q is :

Three charges Q, +q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to

Consider the charges q,q and -q placed at the vertices of an equilateral triangle of each side l. What is the force on each charge ?