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 +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

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

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

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 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 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 -angle isosceles triangle as shown below. The net eletrostatic energy of the configuration is zero if the value of Q is :

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: